What happened: Milwaukee Brewers pitcher Aaron Ashby leads all of MLB with 11 victories this season, a rare distinction for a reliever. The win total is notable because no pitcher has ever recorded 20 victories in a single season working solely out of the bullpen.
Why it matters: Reliever wins are often viewed skeptically as a performance measure, since they can hinge on timing rather than length of outing. Still, leading the entire league outright puts a spotlight on Ashby and a Milwaukee bullpen anchoring a team that has been one of the National League's best.
By the numbers: Ashby's 11 wins lead MLB. Milwaukee enters at 51-31 on the season, scoring 5.2 runs per game while allowing 3.7. No pitcher in history has won 20 games in a season pitching exclusively in relief.
What to watch: Watch whether Ashby keeps padding the total and how close a full-time reliever can push toward the unprecedented 20-win threshold.