How Long Can Kyle Leahy's Luck Hold Up at Citizens Bank Park?
St. Louis has nothing left to play for in the standings, but Kyle Leahy has quietly built a season line — a 3.24 ERA — that reads like a real find for a rebuilding staff. Look past the ERA at what he actually controls, and the pitcher underneath is far more hittable than that number lets on.
Leahy's xERA sits at 4.94 this season — a 1.70-run gap that's among the widest of any qualified starter on today's board — built on an extreme 89.2% ground-ball rate that has more to do with weak infield contact than swing-and-miss stuff. Hitters are squaring him up at a 48.4% hard-hit clip and a 10.2% barrel rate, both marks that don't usually travel with a sub-3.30 ERA. The results and the underlying contact quality are having two different conversations.
Philadelphia isn't the lineup that gap wants to meet. The Phillies have won eight straight games, and Kyle Schwarber alone is sitting on 38 home runs and a .284 ISO built on legitimately loud contact, not luck. Cristopher Sánchez, Philadelphia's own starter, is riding a smaller version of the same disagreement — a 2.50 ERA against a 3.34 xERA on an equally extreme ground-ball rate (86.8%) — and the market has already made its call, pricing the Phillies as high as −230 favorites across nine books. Two starters, two ERAs the models don't fully believe. Only one of them has to make his case in front of a lineup this hot.