Nuñez Leads by 5 Steals as Chisholm's Title Odds Fall to 6%

Nasim Nuñez leads the 2026 MLB stolen base race with 45, five clear of Jazz Chisholm Jr's 40, according to StatMuse. That five-steal deficit has reshaped the Pro Baseball Steals Leader prediction market: Chisholm's implied probability has fallen from 14% to 6% in three days, an eight-percentage-point drop that reclassifies him from plausible contender to longshot with roughly 20 games remaining before the September 28 resolution.

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Nuñez Now Leads the 2026 MLB Stolen Base Race, and Chisholm's Market Odds Reflect It

Chisholm still leads the American League in stolen bases with 40, a number that would headline most seasons. But the Pro Baseball Steals Leader market resolves across both leagues, and Nuñez's 45 steals have rendered the AL distinction irrelevant. The gap did not open because Chisholm slowed down. His pace has held steady throughout the second half. Nuñez simply accelerated past him.

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The repricing has been swift. Kalshi prices Chisholm at 5%. Polymarket sits at 6%. Both platforms agree on the direction: down, hard, and fast. This is not a market drifting lower on uncertainty. It is a market absorbing a concrete change in the standings and adjusting accordingly.

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How Nuñez Quietly Passed Chisholm and Built a Five-Steal Cushion

The lead change arrived without fanfare. No single game produced a standout moment. Nuñez accumulated his advantage incrementally, game by game, in a season where Chisholm's Yankees struggles (the team's offense has been inconsistent, particularly during stretches without Aaron Judge) have drawn more coverage than any rival's stolen base totals.

Five steals is a substantial buffer at this stage. An MLB team typically plays 18 to 21 games in the final three weeks of the regular season. Even elite base stealers rarely average more than one steal every two games over a sustained stretch. For Chisholm to erase a five-steal deficit, he would need to not only maintain his current rate but meaningfully exceed it, while simultaneously hoping Nuñez cools off. The math is not impossible. It is improbable, which is exactly what 6% implies.

Historical context reinforces the difficulty. Stolen base title races separated by five or more steals in September almost always hold. The leader's advantage tends to grow, not shrink, as teams in contention manage their rosters more carefully and trailing base stealers see fewer green lights from their coaching staffs.

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Chisholm's Chances Fell From 14% to 6%: What That Market Move Actually Means

A drop from 14% to 6% is more than a halving. It represents the market moving from "unlikely but within range" to "requires multiple things to go right simultaneously." At 14%, the implied odds suggested roughly one-in-seven scenarios ended with Chisholm winning the title. At 6%, it is closer to one-in-seventeen. The difference between those two positions is the difference between a competitive race and a near-concession.

What would need to happen for Chisholm to close this gap? He would likely need to steal at least 10 bases over his remaining games, roughly one steal every other game, a pace he has not sustained for any three-week stretch this season. He would also need Nuñez to stall, stealing three or fewer over the same span. Both conditions occurring together is the scenario that 6% prices in.

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The Case for Chisholm: What Would Make This Market Wrong?

The strongest argument against the current pricing is that Chisholm is a proven September performer with elite speed who has expressed willingness to run aggressively. He told reporters in late August that his focus is on winning, not individual stats, but a player with his toolkit does not need to try harder to steal bases. He needs opportunity and favorable counts. If the Yankees enter a stretch of close games where Chisholm bats near the top of the order with runners needed in scoring position, his steal attempts could spike.

There is also a scenario where Nuñez's team manages his workload down the stretch. If his club falls out of contention or prioritizes rest, his steal opportunities could dry up. Five steals is not an insurmountable lead. It just requires a convergence of events that, as of September 9, the market prices at roughly 6%.

That pricing looks reasonable. Chisholm's path to the title is narrow, and the market has adjusted to reflect a race that is no longer close. With 19 days until resolution, Chisholm needs Nuñez to stumble and his own legs to deliver the best stretch of his season. Bettors tracking the full field can follow live probabilities on the Pro Baseball Steals Leader odds page. The market says this is a longshot. The standings say the same.