October infield positioning looks less dramatic now, but Jake Cronenworth’s dive in Milwaukee showed how vicious the geometry remains.
Bottom of the ninth. Two outs. Bases loaded. San Diego led by a run.
Mason Miller fired a 101.3 mph four-seamer to Jackson Chourio. Chourio sent it back at 109.5 mph, only eight degrees off the ground. Cronenworth broke toward second base, went horizontal and stretched his glove across the dirt.
The baseball cleared it.
Two runs scored. Milwaukee won 4-3 and took a 2-0 NLDS lead. Chourio’s hit traveled only 153 feet, according to Statcast, yet it changed the entire shape of the series.
That is October positioning in 2026.
MLB killed the overloaded shift, not the gamble. Managers still shade shortstops toward second, pinch second basemen toward the middle, guard lines and change outfield depth. Each move protects one patch of grass by exposing another.
Now four NLDS managers must decide which patch they can live without.
The old shift disappeared but the choices did not
Forget the old image of three infielders stacked on one side.
MLB’s shift restrictions require four infielders to remain within the infield boundary, with two stationed on each side of second base when the pitch begins. What survived looks far subtler.
Statcast calls an infielder “shaded” when he moves outside the normal area for his position without crossing into the illegal old-shift territory. Teams can also guard a line, bring the infield forward or alter depth for a specific game situation.
Those distinctions matter because moving a shortstop two steps left does not produce some universal change in hit probability.
Statcast’s infield Outs Above Average model accounts for how far a defender must travel, how much time he has, his distance from the target base and, on force plays, the runner’s speed. Positioning changes those variables before contact.
In October, a few feet become strategy.
San Diego and Milwaukee offer the clearest example.
Padres-Brewers has become a fight over the middle
Craig Stammen does not have the luxury of waiting.
The Padres return home trailing 2-0, with Nick Pivetta facing Dustin May in Game 3. Stammen replaced Mike Shildt before this season, and his first postseason as a major-league manager has already reached elimination territory.
That pressure matters because Milwaukee’s most dangerous hitter refuses to make defensive positioning simple.
Chourio punishes the obvious answer
The instinct against a right-handed hitter with Chourio’s bat speed might be to protect the pull side.
His season says otherwise.
Chourio sent nearly half of his batted balls through the middle of the field in 2026, according to Statcast. He went straightaway far more often than he pulled the ball, and even his grounders favored the middle rather than the traditional pull-side hole.
Suddenly, Cronenworth’s Game 2 dive looks less random.
Chourio had spent an entire season showing that he could hammer that part of the field. Then, with the series sitting on one pitch, he did exactly that.
For Stammen, the adjustment carries an obvious tradeoff. Moving Cronenworth closer to second can squeeze that central lane against Chourio.
It also opens more room between first and second.
That is the vulnerable patch.
Push too far toward the bag, and Chourio can shoot a ball through the right side. Stay wider, and he gets more daylight up the middle. His spray chart offers no clean answer because he does not behave like a hitter who can simply be herded toward one side.
William Contreras creates a similar problem. More of his contact traveled through the center of the field than toward either extreme, giving Milwaukee another right-handed bat that can punish an exaggerated shade.
Stammen cannot simply defend pull tendencies.
He has to defend space.
That is where his personnel gives him some courage.
San Diego finished the regular season with 22 Outs Above Average, fourth-best among National League clubs on Statcast’s team leaderboard. Manny Machado alone produced eight OAA at third base.
Good defenders can clean up a bad guess.
They cannot erase every one.
Murphy can let San Diego make the first mistake
Pat Murphy faces the opposite problem.
He does not need to invent an advantage.
Milwaukee already owns it.
A 2-0 series lead lets Murphy prioritize ordinary outs over clever ones. His best infielder makes that easier. Brice Turang finished with 13 Outs Above Average, giving Milwaukee elite range at second without requiring an extreme starting position.
So Murphy can resist the postseason manager’s favorite temptation: moving somebody simply because October makes standing still feel irresponsible.
San Diego needs traffic. It needs extra bases. One ugly inning could drag the Padres back into the series.
Milwaukee can make them earn it.
With a late lead, guarding a line or protecting the gap may matter more than stealing one extra grounder with an aggressive shade. Turang already covers an unusual amount of ground.
Murphy does not need to create another defender.
Stammen has to gamble.
Murphy can watch him do it.
Dodgers-Braves is a hitter-by-hitter chess match
The other NLDS offers a different kind of tension.
Atlanta and Los Angeles enter Game 3 tied 1-1, with Chris Sale facing Yoshinobu Yamamoto at Truist Park. Walt Weiss held Sale back in Game 2, watched his bullpen survive a 3-2 win and now gets his ace on full rest.
The defensive question changes almost every time a Dodger enters the box.
That starts with Shohei Ohtani.
Weiss can shade for Ohtani but not for everybody
Ohtani gave Atlanta a clear tendency to attack in 2026.
Nearly half of his batted balls went to the pull side. Far fewer traveled the other way. For a left-handed hitter with his power, that gives Weiss a legitimate reason to squeeze the right side of the infield while staying within MLB’s shift rules.
Then Freddie Freeman walks up and ruins the template.
Freeman spread the baseball around. Roughly two-thirds of his contact traveled either through the middle or to the opposite field, leaving very little incentive for Atlanta to chase an extreme pull-side advantage.
Give him open grass and he has shown he will use it.
Mookie Betts presents another variation. His contact was almost evenly divided between the pull side and straightaway, with relatively little going the other way.
Against Betts, Atlanta can lean left.
It cannot forget the middle.
That is what makes Weiss’ job fascinating.
He cannot install one “Dodgers shift.”
He needs an Ohtani alignment, then a Betts alignment, then a Freeman alignment. One trip through the top of the Dodgers order can force Atlanta to redraw the infield three times in a matter of minutes.
Fortunately for Weiss, the gloves can handle it.
The Braves finished with 27 Outs Above Average, the fourth-highest team figure in baseball. That range gives Weiss room to chase hitter tendencies without requiring every pre-pitch prediction to land perfectly.
Still, athleticism only buys margin.
It does not buy certainty.
Roberts has one movable chess piece in Betts
Dave Roberts owns a useful counterweapon.
Betts finished the regular season at plus-six Outs Above Average at shortstop, according to Statcast. That elite range gives Roberts the green light to slide him toward a likely ground-ball lane when Atlanta’s hitter profile calls for it.
But the Braves keep presenting hitters who punish one-dimensional thinking.
Michael Harris II showed that in Game 2. He tripled and doubled in Atlanta’s 3-2 victory, producing exactly the kind of extra-base damage a defense fears after guessing wrong.
His full-season spray chart explains the headache.
Harris used the middle of the field more than any other sector, but not by enough to let Roberts abandon either side. His contact remained balanced enough that shading hard in one direction simply trades one weakness for another.
Ronald Acuña Jr. makes the calculation even nastier.
Acuña distributed his contact almost evenly across the pull side, center and opposite field. No single lane swallowed enough baseballs to hand Roberts an easy answer.
Betts can move toward second against a left-handed hitter and dare him to find the vacated space.
Harris can.
He can also stay through the middle.
Shade aggressively against Acuña, meanwhile, and he has already spent six months showing he can take whatever portion of the field Roberts leaves open.
That creates a different kind of risk from San Diego’s.
Stammen must gamble because his season is almost out of road. Roberts has to gamble selectively because Atlanta’s hitters do not give him many clean tells.
The biggest gamble belongs to San Diego
When Game 3 begins, the most interesting defensive moves may happen before anybody swings.
Cronenworth will glance toward the dugout and settle somewhere on the right side. Betts will creep a few feet toward a predicted lane. Atlanta’s infield will shift subtly when Ohtani gives way to Betts, then change again for Freeman.
Most viewers will barely notice.
That is the strange beauty of October positioning now. The old alignment announced itself before every pitch. Three defenders could stack together and make the bet obvious.
Today’s version hides inside a few steps.
Across the two series, Stammen carries the most risk because Milwaukee has left him no room for patience. If Chourio keeps hammering the middle, San Diego has to decide how much of the first-base side it will surrender to close that lane.
Roberts sits close behind. Betts gives him unusual freedom, but Atlanta’s balanced spray patterns turn every aggressive shade into a negotiation rather than an obvious answer.
Weiss owns the strongest defensive safety net and several Dodgers with tendencies worth attacking.
Murphy owns something even better: a two-game lead.
That leaves one manager chasing outs while another can simply protect them.
Hours earlier, Cronenworth came within inches of changing Game 2 himself. His glove stretched across the dirt. Chourio’s baseball kept moving.
That is the new October shift.
No overloaded infield. No obvious gimmick.
Just a manager choosing which six feet of grass he is willing to lose.
READ MORE: Advancing the Runner: Evaluating How Often the White Sox Successfully Move Men Over
FAQs
What defensive shifts are still legal in MLB?
Teams must keep two infielders on each side of second base, but they can still shade defenders, guard lines and change depth. Pasted text
Which NLDS manager faces the biggest positioning gamble?
Craig Stammen. San Diego trails Milwaukee 2-0, so the Padres have less room to play conservatively with their defensive positioning. Pasted text
Why is Jackson Chourio difficult to position against?
Chourio uses the middle of the field heavily. Shading toward one lane can simply give him more room somewhere else. Pasted text
Why can Dave Roberts move Mookie Betts aggressively?
Betts’ range at shortstop gives Roberts more freedom to shade him toward likely ground-ball lanes without sacrificing as much coverage. Pasted text
Why can Pat Murphy be more conservative with Milwaukee’s defense?
Milwaukee owns a 2-0 series lead, while Brice Turang’s range gives Murphy less reason to manufacture extra outs with aggressive positioning.
