Pittsburgh isn't fully healthy either — Ryan O'Hearn (quad) and Endy Rodriguez (hip) are both out, thinning a lineup that already needs every bat it can get against a Dodgers rotation missing Tyler Glasnow and Bobby Miller. These two clubs actually met in a September series last year, and the Pirates left Dodger Stadium having swept it — a result that turned into a footnote once LA ripped off a 15-5 finish and repeated as World Series champs, but it's a reminder Pittsburgh has given this roster trouble before.
Both teams arrive playing well, just from different starting points. The Pirates have won 2 straight and taken 2 of 3 from Detroit, a modest climb for a club still under .500. The Dodgers, at 77-51, have won 3 in a row and just swept a 3-game set in Colorado after dropping 2 to Milwaukee the week before — the kind of form that papers over a still-unsettled bullpen.
Neither team plays anyone else before this one, so what you see is what shows up on the field tonight. For the Dodgers, it's about protecting a division cushion and getting healthy arms back before October; for the Pirates, it's playing spoiler against a team that's dealt with real injury attrition of its own. Chandler-Yamamoto is a fair fight even if the win totals aren't.