Pitch framing metrics rarely command attention during the World Series, but an 89.3 mph slider in Game 5 showed why they deserve a closer look. At Dodger Stadium, Toronto rookie Trey Yesavage faced Max Muncy with a full count in the third inning. The Dodgers third baseman watched the pitch reach Alejandro Kirk’s glove, and the umpire called strike three. Muncy walked back toward the dugout as Yesavage recorded his fifth consecutive strikeout, a World Series rookie record. That particular call cannot establish whether Kirk gained a strike through framing. Still, the exchange captured an essential part of his job: receiving pitches cleanly while hitters, pitchers, and umpires make decisions in fractions of a second.
Three nights later, Will Smith supplied the championship’s defining offensive moment. His 11th-inning home run pushed Los Angeles ahead in Game 7 and helped secure a second consecutive title. The contrast extended well beyond one swing. Kirk entered October among baseball’s finest pitch framers, while Smith brought substantially greater offensive production alongside the responsibility of managing the Dodgers’ pitching staff. Their World Series exposed a question that reaches beyond traditional catcher statistics. How much should teams value the strikes a receiver earns when evaluating the player who controls their most important pitches?
The Hidden Numbers Behind Catcher Framing
A few inches can separate an ordinary ball from a called strike. For catchers, those inches represent an entire defensive discipline. The skill goes far beyond dragging borderline pitches toward the plate. Elite receivers track movement, establish stable targets, and keep their gloves controlled through contact. They also prevent legitimate strikes from looking like balls. Baseball Savant’s 2025 catcher framing leaderboard offered a striking comparison before the Dodgers and Blue Jays met. Kirk finished the regular season with 17 Catcher Framing Runs, ranking second among major league receivers. Smith recorded minus-10, placing him near the bottom of the leaderboard. That 27-run difference described their estimated receiving contributions across the regular season, not a guaranteed World Series advantage.
The underlying strike percentages made the contrast even more revealing. Kirk earned called strikes on 47.1% of taken pitches in the shadow zone, compared with Smith’s 39.8%. The shadow zone covers the uncertain territory around the strike-zone boundaries, roughly one baseball’s width inside and outside its edges. Umpires must make their toughest judgments there. On pitches nowhere near the plate, receiving technique offers little opportunity to influence the result. Near the corners, everything changes. Kirk’s strongest 2025 numbers came along the lower boundary. Baseball Savant credited him with nine framing runs in that region, where he secured strikes on 42.8% of taken pitches.
Those numbers reveal a specific defensive strength rather than a general reputation. A splitter dipping toward the dirt creates a challenge for any receiver, as does a breaking ball that finishes just above the knees. Kirk showed an exceptional ability to present those pitches without sacrificing control. His receiving technique helped establish him among baseball’s most valuable defensive catchers, particularly when pitchers needed to work along the lower edges of the strike zone.
Patrick Bailey Set the Standard for Elite Receiving
San Francisco’s Patrick Bailey established the league’s defensive benchmark in 2025. The Giants catcher led MLB with 25 Catcher Framing Runs, according to Statcast. His overall Catching Runs total reached 31, combining framing, throwing, and blocking contributions. Bailey’s performance put Kirk’s numbers into perspective. Both catchers demonstrated how clean receiving can generate measurable value without producing a highlight-reel play.
Baseball Savant’s framing model values additional strikes at approximately 0.125 runs apiece, with adjustments for pitcher and ballpark effects. Eight extra strikes therefore represent roughly one run under that standard conversion. Pitch framing metrics capture those contributions across thousands of pitches. For Toronto, Kirk’s exceptional receiving offered another potential advantage when October reduced the margin for error.
Toronto’s Pitching Staff Gave Kirk the Perfect Stage
Game 5 of the 2025 World Series offered one of October’s finest pitching performances. Yesavage, a 22-year-old rookie, overwhelmed the Dodgers with a devastating combination of splitters and sliders. According to MLB’s official game recap, he struck out 12 batters across seven innings, setting a World Series rookie record.
He allowed only three hits and one run without issuing a walk. His 23 swinging strikes also established a World Series high in the pitch-tracking era. Behind the plate, Kirk handled a pitcher who had made just three major league starts before the postseason. Their partnership required precise execution.
Yesavage attacked hitters with sharp breaking movement and a splitter that repeatedly disappeared beneath their swings. Kirk needed to anticipate those deliveries while protecting against pitches that might escape into the dirt. The workload demanded more than soft hands. His positioning, anticipation, and ability to control difficult pitches helped create a stable environment for a young pitcher performing on baseball’s biggest stage.
One Slider Captured the Receiving Challenge
Return to Muncy’s third-inning plate appearance. The count stood at 3-2, with nobody out and Toronto leading 2-0. Yesavage threw an 89.3 mph slider. Muncy took it, Kirk received it, and the umpire called strike three. MLB’s official video documents the pitch and its result. It remains impossible to credit the call specifically to framing without examining the pitch location and the model’s assessment. Nevertheless, the moment demonstrates the kind of receiving situation that makes Kirk valuable. A catcher must stay balanced and present the ball cleanly while preparing for a pitch that could break sharply. His responsibilities continue even when the batter never swings.
That distinction matters when interpreting pitch framing metrics. Yesavage generated most of his strikeouts through swings and misses. Kirk did not create those whiffs through framing. Instead, his receiving expertise supported a pitcher whose approach depended heavily on unpredictable movement and aggressive sequences. Great pitching and great receiving can work together without making the catcher responsible for every strikeout. Recognizing that separation allows analysts to appreciate both contributions without exaggerating either player’s impact.
Kevin Gausman Showed the Other Side of the Partnership
Two nights later, Kevin Gausman produced another remarkable opening against Los Angeles. In Game 6 at Rogers Centre, the veteran struck out Shohei Ohtani, Smith, and Freddie Freeman in the first inning. All three went down swinging. Sportsnet reported that Gausman threw 11 splitters in that opening frame, producing seven whiffs. By the end of three innings, he had eight strikeouts, matching the World Series record for that stage of a game. Kirk again handled a pitcher whose signature offering depended on late downward movement. The splitter challenges a catcher differently from a conventional fastball. Its downward action requires constant anticipation, particularly when the pitch approaches the dirt.
But there was another side to Gausman’s performance. In the third inning, Smith drove a 1-0 splitter into the gap for an RBI double. Mookie Betts followed with a two-run single. Los Angeles scored three runs and eventually won 3-1. Gausman later explained to MLB that he had intended to throw Smith’s splitter down and away. Instead, it leaked toward the hitter’s back foot. No framing technique could erase that mistake. The sequence exposed the limits of catcher defense. Even excellent receivers cannot overcome every poorly located pitch or successful swing.
Will Smith Proved Framing Is Only Part of the Job
The comparison with Kirk could have made Smith appear defensively inferior in every respect. That would have been misleading. Smith entered the 2025 World Series after producing one of baseball’s strongest offensive seasons at catcher. Baseball-Reference credits him with a .296 batting average, .901 OPS, and 152 OPS+ over 110 regular-season games. That OPS+ means Smith performed approximately 52% better than league average offensively after adjustments for league and ballpark conditions. Such production gave Los Angeles considerably more than a dependable hitter at a defense-first position.
His road to October had not been entirely smooth. A foul tip fractured a bone in his right hand in September, forcing him to miss the Wild Card Series. He returned for the Division Series and gradually rediscovered his offensive rhythm. Meanwhile, the demands behind the plate kept increasing. Smith had to prepare for pitchers with sharply different repertoires and routines. Blake Snell relied on deceptive breaking balls and changing speeds. Yoshinobu Yamamoto combined several precisely located offerings, while Shohei Ohtani returned to a starting role after recovering from elbow surgery. The staff also included Tyler Glasnow’s high-velocity arsenal and Roki Sasaki’s powerful fastball-splitter combination. Each pitcher required different preparation, targets, and game plans. By Game 7, the workload had become extraordinary.
Seventy-Three Innings Behind the Plate
Smith caught every defensive inning of the 2025 World Series. That included an 18-inning marathon in Game 3 and an 11-inning championship finale. According to MLB and Elias Sports Bureau, his 73 innings caught established a World Series record. The physical challenge alone was enormous. Catchers repeatedly drop into their stances, absorb foul tips, block pitches, and rise to make throws. Between those movements, they must follow every hitter’s tendencies and remain alert to changing game situations.
Smith also had to work through unusually demanding pitching arrangements. In Game 7, Ohtani started on three days’ rest. Glasnow appeared after recording the final outs of Game 6, while Yamamoto eventually returned despite throwing 96 pitches the previous night. That wasn’t an ordinary postseason pitching plan. Manager Dave Roberts needed every available advantage, and Smith had to adjust as the staff’s roles changed. Pitch framing metrics cannot fully evaluate those responsibilities. They measure receiving outcomes, not the quality of every pitch-selection decision or the preparation needed to guide pitchers through changing circumstances. Smith’s workload demonstrated why an evaluation based entirely on framing would miss so much of his contribution.
Game 7 Delivered the Final Contrast
By the 11th inning of Game 7, Rogers Centre had witnessed almost every imaginable form of baseball tension. Toronto had led 3-0 early. Max Muncy brought Los Angeles closer with an eighth-inning homer, and Miguel Rojas tied the game in the ninth. Both teams survived dangerous situations. Then Smith stepped into the batter’s box against Shane Bieber. With two outs and nobody aboard, Smith worked a 2-0 count. Bieber delivered a slider over the middle of the plate. Smith turned on it, sending the ball over the left-field wall for a 5-4 Dodgers lead.
After catching every inning of the series, Smith had delivered the swing that put Los Angeles ahead for good. His home run also became the first extra-inning homer in a winner-take-all World Series game, according to MLB. The drama wasn’t finished. Toronto threatened in the bottom of the 11th, placing runners at first and third with one out. Kirk came to the plate against Yamamoto. One productive swing could keep the inning alive or change the championship’s outcome. Instead, Kirk grounded into a double play. The Dodgers celebrated as Toronto’s season ended.
Few endings could have better illustrated the unpredictable relationship between defensive value and October results. The catcher with superior framing numbers made the final out, while his counterpart delivered the decisive home run. Yet that sequence did not diminish Kirk’s defensive performance across the season. Nor did Smith’s home run erase his weaker framing statistics. Both catchers brought different strengths to the same championship stage. One demonstrated how much value a receiver can create along the strike-zone boundaries. The other combined elite offensive production with a historic defensive workload. Their contrast offered a more complete understanding of what teams must consider when evaluating a postseason catcher.
What Pitch Framing Metrics Cannot Tell Us
The temptation with advanced baseball statistics is to treat every number as a final verdict. Framing requires more caution. A catcher with excellent seasonal numbers does not automatically earn extra strikes in every game. Umpire tendencies, pitcher command, pitch movement, and the location of taken pitches all influence individual outcomes. A swinging strikeout also belongs primarily to the pitcher and hitter. Catcher framing measures the effect of receiving on called pitches, not every strike recorded during an at-bat. Kirk’s regular-season advantage over Smith therefore cannot establish how many runs Toronto gained through framing during the World Series.
The numbers describe a skill demonstrated over a large sample. They do not prove that the skill decided a particular postseason outcome. There are other limitations, too. A catcher may block a difficult splitter, preventing a runner from advancing. Another might throw out a potential base stealer at second. A third may recognize a hitter’s approach and suggest a different pitch. Those actions contribute to defensive catching without necessarily improving framing totals.
This explains why catcher defensive metrics work best together. Fielding Run Value, blocking statistics, throwing performance, and traditional scouting each reveal a different part of the position. Pitch framing metrics fill a crucial gap, but they should not replace the broader evaluation. A front office needs to understand how a catcher receives borderline pitches, handles difficult deliveries, and communicates with pitchers. Offensive production also matters, especially when postseason games reduce opportunities for every hitter in the lineup.
How the ABS Challenge System Changes the Fall Classic
The 2025 World Series marked the final championship before MLB introduced its Automated Ball-Strike Challenge System. Beginning in 2026, players gained the ability to challenge certain ball-and-strike calls using automated tracking technology. Human umpires still make the original decisions. Under MLB’s announced 2026 rules, each team begins a game with two ABS challenges and retains every successful challenge. A team loses one when the automated review confirms the umpire’s original call.
Extra innings introduce another safeguard. If a team enters the 10th inning with no challenges remaining, it receives one additional challenge. The same provision applies at the start of each subsequent extra inning when a team has exhausted its supply. Teams carrying an unused challenge into an extra inning do not receive another simply because the game continues. Only the batter, pitcher, or catcher may initiate an ABS challenge, and the request must come immediately, without assistance from teammates or the dugout. The rules bring a new strategic dimension to postseason catching, where a single overturned call can alter an at-bat or even extend an inning.
A receiver can still earn favorable calls through skilled framing, but hitters now have a limited opportunity to overturn incorrect strikes. Imagine Kirk receiving a borderline splitter with two strikes. The umpire calls strike three, but the batter immediately challenges. If technology places the pitch outside the zone, the hitter survives. On the other hand, a catcher who confidently recognizes a missed strike call can challenge on his pitcher’s behalf. The job now rewards two complementary skills: presenting pitches effectively and judging their actual locations.
Pitch framing metrics remain useful, but teams must consider challenge accuracy alongside traditional receiving performance. For a catcher, restraint may become just as valuable as confidence. Wasting the final challenge early could leave his team without protection against a questionable call later in regulation, though the extra-inning rules provide another opportunity if the game continues. A catcher who recognizes the difference between a close pitch and a genuinely incorrect call can help preserve that limited resource for a more consequential moment.
This evolution makes the Kirk-Smith comparison even more compelling. Toronto’s receiver demonstrated how much defensive value a catcher can accumulate through framing. Los Angeles relied on a player who delivered exceptional offense while managing an unusually demanding championship workload. Future teams must balance those established responsibilities with a new technological challenge. The Fall Classic will still feature towering home runs, difficult pitching decisions, and dramatic defensive plays. But somewhere between those moments, a catcher will receive a borderline pitch and make a decision that could change the count.
The glove still matters. Now, knowing when to question the umpire may matter just as much.
READ MORE: What early-inning run production reveals about a team’s postseason offensive approach
FAQs
What do pitch framing metrics measure?
Pitch framing metrics show how effectively catchers receive pitches and earn called strikes around the edges of the strike zone.
Was Alejandro Kirk a better pitch framer than Will Smith in 2025?
Yes. Kirk recorded 17 Catcher Framing Runs, while Smith finished at minus-10, according to MLB Statcast.
Who led MLB in catcher framing runs in 2025?
Patrick Bailey led the majors with 25 Catcher Framing Runs. Alejandro Kirk ranked second with 17.
How many innings did Will Smith catch in the 2025 World Series?
Smith caught 73 innings across seven games, setting an all-time World Series record. He also hit the decisive Game 7 home run.
How does the ABS Challenge System work in the 2026 postseason?
Teams start with two challenges and keep successful ones. Teams with none remaining receive an additional challenge at the start of each extra inning.
