Treinen Is Done. The Bullpen Math No Longer Works.

Blake Treinen is out for the season, and the Dodgers will carry that absence into October. He is listed simply as out in the injury report, no timetable, no return date — the kind of entry that means what it looks like. For a bullpen that has already lost Brusdar Graterol, Jake Cousins, and Ben Casparius to the 60-day IL, and is managing Edwin Diaz back from his own IL stint, Treinen's shoulder is one more load-bearing wall gone.

The arm the Dodgers were counting on to bridge innings is Justin Wrobleski, the All-Star reliever who posted a 3.79 ERA across 147 innings this season. The problem is what he has done lately: 2.2 innings over his last five appearances, a stretch in which he has been hit hard enough that the coaching staff has barely used him. Whether that is injury management, a loss of confidence in him, or something physical — nobody has said publicly. What is observable is that the team's most trusted reliever is barely pitching at the moment the team needs him most.

What remains is Tanner Scott as the primary closer option, Jack Dreyer working behind him, and Alex Vesia further back. That is a functional late-inning group on a healthy roster. On this one, with six arms on the 60-day IL and Wrobleski's workload cratered, it is thin in a way that does not have an obvious fix before the postseason roster is set.

The Dodgers are 71-49, winning three straight, and the division is theirs. The bullpen situation does not change any of that. It just means that when October arrives and a game is close in the seventh inning, the answers get uncomfortable fast.