Skenes' final line elsewhere this year hasn't matched his first two seasons, and it's not just bad luck — reports have pointed to a velocity dip and a mechanical tweak to his arm angle that's flattened his fastball shape, part of why his ERA nearly doubled from his career norm. None of that showed up in his last start, though, and the market had been pricing him more off that recent form than the season-long trend.
Both clubs arrived on uneven footing. Detroit had dropped 4 of its last 5 overall, including a sweep-adjacent stretch against the White Sox, though it did take the series opener against Pittsburgh 8-5 before dropping the second leg. The Pirates, by contrast, had won 3 of their last 5, capped by a win over Detroit the day before, and carried that momentum into the finale.
The injury gap mattered. Detroit's outfield is picking up bodies wherever it can find them with Carpenter, Greene, Outman, Wenceel Perez and Matt Vierling all unavailable, and the rotation depth chart reads like a training room list with Flaherty and Verlander both on extended absences. Pittsburgh's issues are real too — losing Rodriguez behind the plate and O'Hearn's bat is no small thing — but it's a shorter list, and it left the Pirates with more margin to work with all game.
It came down to the final at-bat. Detroit had scratched across single runs in the first and seventh around a 2-run fifth to take a 3-2 lead into the bottom of the ninth, only for Pittsburgh to answer with a 2-run rally to walk it off, 4-3. The Pirates finished with 8 hits to Detroit's 7 but were charged with 2 errors in the process — a sloppy final line that still ended in a win, which tells you plenty about how thin Detroit's margin for error really was.