Managing the roster gets cruel when a player has already done his job. On Thursday night, Dominic Smith started at designated hitter while Atlanta played Philadelphia with its season on the line. The Braves survived and moved into the NLDS. Smith had already given them useful regular-season production, batting .255 with eight home runs and 44 RBIs across 263 at-bats. By Saturday, he was off the active roster. No sudden slump swallowed him overnight. No injury forced Atlanta to remove him. The opponent changed. The format changed. So did the job description for the final few roster spots.
A veteran can grind through months of flights, batting practice and late-night games, then lose his October seat because another hitter offers more power against a particular bullpen. A pitcher who absorbed valuable innings in July might become unnecessary when postseason off-days allow a manager to lean harder on his best arms. That is the cold arithmetic of managing the roster.
Somewhere beneath the celebration, managers and front offices have to imagine an inning that has not happened yet and decide who they want standing beside the bat rack when it arrives.
The 26th Spot Is Never Just the 26th Spot
A regular-season roster has to survive baseball’s daily punishment. Starters miss turns. Relievers pitch on consecutive nights. Position players wake up stiff. Somebody needs a day off after a cross-country flight. October changes the equation. Off-days reduce the need for certain innings. Managers can push leverage relievers harder. Rotations shrink. A bench player may sit for four days, then enter with two outs in the eighth and the tying run at second.
That makes the bottom of an NLDS roster unusually specialized. One team may want a right-handed bat capable of punishing a lefty. Another may choose a runner who can steal 90 feet without ever taking a plate appearance. A third may value an arm capable of rescuing the bullpen if a starter gets knocked out early. Those jobs sound narrow. In October, narrow jobs decide series.
Atlanta Traded Bench Depth for Innings
Atlanta carried only 11 pitchers through the Wild Card round. In a best-of-three, the Braves could lean on their most trusted relievers and use the extra roster spaces on position players. Then they advanced. A five-game NLDS against Los Angeles demanded another calculation. Atlanta expanded to 13 pitchers, bringing JR Ritchie and AJ Smith-Shawver into the mix for additional length. Lane Thomas also returned after recovering from a left intercostal strain.
Smith, Luke Williams and DaShawn Keirsey Jr. lost their places. Braves manager Walt Weiss, who replaced Brian Snitker before the 2026 season, now faced a different problem than the one he had solved days earlier. Smith had logged more than 2,500 major-league at-bats. He had also just helped Atlanta move forward. That history still could not protect him.
Power beat redundancy
Atlanta kept Rowdy Tellez, another left-handed hitter capable of playing first base. At first glance, that made Smith’s omission look even harsher. Both occupied overlapping offensive territory. Yet Tellez offered something Atlanta believed could matter against Los Angeles: more immediate home-run threat. That distinction means everything in a short series. A manager does not always need the player most likely to give him four decent plate appearances over a full game. Sometimes he needs the hitter most capable of punishing one mistake pitch in the eighth.
Thomas supplied another right-handed outfield option. Ritchie and Smith-Shawver supplied innings. Smith supplied reliability. Atlanta chose the first two. That is where managing the roster stops feeling like a reward system and starts looking like a wager.
Los Angeles Used Rotation Strength to Buy Bench Options
While Atlanta added pitching, Los Angeles leaned in the opposite direction. The Dodgers carried 12 pitchers and 14 position players for the NLDS. That gave manager Dave Roberts more ways to manipulate late innings. Among those bench pieces sat Hyeseong Kim, whose speed and defense could matter without him ever starting a game. The Dodgers also carried Josue De Paula, a 21-year-old rookie with only 11 major-league games behind him.
To create those spots, somebody useful had to disappear. Left-hander Jack Dreyer had made 67 appearances, posted a 3.20 ERA and struck out 73 hitters over 64 2/3 innings. Justin Wrobleski had handled a starter’s workload and won 11 games. Neither made the NLDS roster. During the regular season, that kind of pitching depth carries enormous value. In a short playoff series, Los Angeles believed other resources mattered more.
The Skubal trade changed the equation
The Dodgers could take that risk because their October rotation had become one of baseball’s deepest. Tarik Skubal was not a hypothetical addition. Los Angeles acquired the two-time Cy Young winner from Detroit on August 2, 2026, sending outfielder Zyhir Hope and right-handers River Ryan and Brady Smith to the Tigers. By October, Skubal stood alongside Blake Snell, Yoshinobu Yamamoto and Tyler Glasnow in the Dodgers’ postseason rotation. That deadline blockbuster matters here because it changed the bottom of the roster.
Los Angeles no longer needed to build its NLDS staff as if another long reliever might have to rescue several uncertain starts. Skubal had already joined the club, pitched through the final two months of the season and given Roberts another frontline option. That created room elsewhere. A slow runner reaches in the eighth. Kim can run. A right-handed reliever enters with two men aboard. De Paula can hit.
His September audition gave Los Angeles enough confidence to make that gamble. De Paula went 10-for-31, collected five extra-base hits and reached base in half of his 42 plate appearances during his first major-league stint. Eleven games outweighed hundreds of innings elsewhere on the roster. That sounds absurd until October arrives. Then it becomes strategy.
A Matchup Can Rescue One Veteran and Bury Another
Milwaukee’s choices showed how opponent-specific an NLDS roster can become. Bryse Wilson brought experience. His major-league résumé included 179 regular-season appearances, 57 starts and a 1.42 ERA across 6 1/3 career postseason innings. The Brewers still left him off their NLDS card. Wilson had worked 35 1/3 innings in 2026 and finished with a 4.33 ERA. Those numbers alone did not eliminate him. Milwaukee simply saw more useful roles elsewhere.
Kyle Harrison stayed because the Brewers valued his ability to provide length. Then there was Dustin May. His second half had been uneven enough to create legitimate questions about his postseason role. Yet his history against San Diego pushed him back into the picture. May had faced the Padres three times during the regular season. Across 22 innings, he allowed only three earned runs for a 1.23 ERA. He also struck out 22.
That matchup mattered. Picture the roster meeting. One pitcher owns a strong postseason résumé from earlier years. Another has struggled recently but repeatedly handled the exact lineup waiting in the opposite dugout. Milwaukee chose the matchup. That is how ruthless managing the roster can become. Teams do not need every player to be broadly useful. They need each roster spot to solve the problem in front of them.
For May, the reward went beyond survival. Milwaukee trusted him enough to start Game 3 with the Brewers positioned to clinch the series. Wilson watched from outside the active 26.
San Diego Wanted Another Move in Its Pocket
The Padres approached the same series differently. First-year manager Craig Stammen, who succeeded Mike Shildt before the 2026 season, carried only 11 pitchers and kept 15 position players. San Diego had already used that hitter-heavy construction during its Wild Card sweep of Chicago. The idea was straightforward: keep enough bench depth to react after the game changes.
That creates a different kind of dugout. A manager can hit for a weaker bat in the sixth. Later, he can send a runner for the pinch-hitter. In the ninth, another player can take over defensively. Every move burns a piece. San Diego simply brought more pieces.
The approach carries risk. A short bullpen becomes uncomfortable if a starter exits in the second inning. Extra innings can punish a roster without enough pitching length. One ugly game can force a manager to expose arms he never planned to use. Stammen accepted that danger because he valued flexibility on the other side of the ball. Then real life disrupted the plan anyway.
Walker Buehler went on the paternity list shortly after the roster announcement, and Randy Vásquez temporarily replaced him. Buehler had joined San Diego before the 2026 season, so his presence on the Padres’ October roster reflected an established move rather than a speculative one. His absence had nothing to do with performance. That distinction matters in October. A missing veteran is not always a cut. An added player has not always beaten someone else for a job. Injuries, family situations, series length and roster rules can change the group overnight. The transaction line looks simple. The story behind it rarely is.
Veterans Lose the Cushion of a Long Season
A 162-game schedule rewards broad usefulness. October rewards precision. Veterans still bring value that never appears cleanly in a spreadsheet. They know what a hostile stadium sounds like when two runners reach with nobody out. During a pitching change, they understand how long 45,000 screaming fans can make the pause feel. With a rookie, they can tell when to keep talking and when to leave him alone.
Those things matter. They still cannot create a 27th roster spot. That is the tension beneath every difficult NLDS decision. A contender has to respect what a player gave the team without confusing past contribution with future fit.
Dreyer’s 67 appearances still happened. Smith’s 263 at-bats still mattered. Wilson’s postseason success still belongs to him. None of it guaranteed another October assignment. A guy watching the NLDS in street clothes might still be called upon to save the season two weeks later in the NLCS. An injury can reopen the door. A different opponent can change the platoon equation. A tired pitching staff can make yesterday’s unnecessary arm tomorrow’s essential one. The roster is temporary. The stakes are not.
Every Cut Reveals the Game a Team Expects
Look closely at an NLDS roster and a team’s plan begins to show itself. Atlanta expected pitching length to matter enough to sacrifice bench depth. Los Angeles trusted a rotation strengthened by the completed August trade for Skubal enough to exchange proven pitching depth for speed, defense and a rookie bat.
Milwaukee leaned into opponent history and kept the pitchers it believed best matched San Diego. The Padres loaded the bench because Stammen wanted one more move available after the other dugout made its move. None of those strategies guarantees success. That is what makes managing the roster so compelling.
Teams spend months gathering information. They track platoon splits, pitch shapes, workload, recovery, sprint speed and defensive value. Coaches watch swings. Pitching staffs compare release points. Medical staffs measure fatigue. Then somebody still has to make the call.
The Roster Decision Everyone Remembers Comes Later
Managing the roster looks cleanest before Game 1. Names fit neatly on a sheet. Roles sound obvious. Matchups appear manageable. Every omission can be explained. Then baseball interferes. A starter gets knocked out in the second inning. A game drifts into the 12th. A catcher reaches base with two outs and the tying run at the plate. The opposing manager brings in a reliever whose sinker changes the matchup instantly.
Now every decision from three days earlier walks into the dugout. Atlanta might need the bat it sacrificed for another arm. Los Angeles may discover that De Paula’s one left-handed swing was worth more than another 60 innings of regular-season relief depth. Milwaukee could watch May’s success against San Diego carry into October or vanish under postseason pressure. The Padres might burn through three pinch-hitters and prove why their 15th position player mattered.
There is no perfect formula. The better question is simpler: What kind of game does each team believe it will need to win? Every October roster answers that differently.
Managing the roster means betting on a future inning with incomplete information. A team chooses the 26 players it believes can solve the moments ahead, knowing that someone useful will almost always be left behind. Then the game starts. One swing, one stolen base or one unexpected five-inning relief appearance tells everyone whether the cold arithmetic was right.
READ MORE: Advancing the Runner: Evaluating How Often the White Sox Successfully Move Men Over
FAQs
Why do MLB teams leave veterans off NLDS rosters?
Short playoff series reward specific roles. Teams may value pitching length, speed, defense or a particular matchup more than broad regular-season usefulness.
Why did the Braves leave Dominic Smith off the NLDS roster?
Atlanta expanded from 11 to 13 pitchers and brought Lane Thomas back, leaving Smith outside the active roster.
Why did the Dodgers carry 14 position players?
Their deep rotation gave Los Angeles room for extra bench options, including Hyeseong Kim’s speed and Josue De Paula’s left-handed bat.
Why did Milwaukee keep Dustin May for the NLDS?
May had dominated San Diego during the regular season, posting a 1.23 ERA across 22 innings in three starts.
How many position players did the Padres carry in the NLDS?
San Diego carried 15 position players and 11 pitchers, giving Craig Stammen more late-game matchup and substitution options.
