№ 01Zach McKinstry is 6-for-15 (.400) in 16 career plate appearances against Michael Wacha, the deepest sample we have on this exact matchup.
№ 02Wacha's last 5 starts show a clear fade, with his most recent outings notably worse than the earlier ones in that stretch.
№ 03McKinstry slugs .444 against right-handed cutters across 20 plate appearances this year, a pitch shape Wacha mixes into his arsenal.
№ 04If Detroit needs late offense, closer Lucas Erceg has been leaking runs at a 5.40 ERA over 38.3 relief innings.
№ 05The honest risk: McKinstry is hitting .199 with a 0.57 OPS on the season and just 6 hits across his last 30 at-bats.
§ 01The analysis
The number driving this ticket is 6-for-15. That is McKinstry's line against Michael Wacha across 16 career plate appearances, a .400 clip built up over enough looks to matter. Wacha comes in with a 4.17 xERA and a 3.91 FIP over 125.3 innings, and his last 5 starts have been trending the wrong way, with the most recent outings clearly worse than the earlier ones in that window. When Wacha reaches for his cutter, McKinstry has done damage on that shape all year, slugging .444 across 20 plate appearances against right-handed cutters. And if the game stays close, Detroit gets a crack at Lucas Erceg, who is sitting on a 5.40 ERA through 38.3 relief innings. The risk is real. McKinstry is hitting .199 on the year with a 0.57 OPS across 241 at-bats, only 6 hits in his last 30, and a .219 mark against right-handed pitching backed by a 0.62 OPS in 217 plate appearances. Wacha throws fastballs 57.7% of the time and McKinstry's .276 xwOBA against fastballs over 164 plate appearances is nothing loud. Comerica plays at a 1.02 run factor in daylight.
§ 02The call
The bet leans on the one sample that speaks directly to today: 6-for-15 against Wacha, a starter whose last 5 outings have been fading, with a cutter McKinstry slugs .444 against and a bullpen bridge to a closer carrying a 5.40 ERA. The season-long profile is ugly, a .199 hitter with a 0.62 OPS versus righties who has 6 hits in his last 30 at-bats. You are paying -149 to trust the matchup over the slump. On this card, at this park, in daylight, the matchup wins the argument.
Final resultWINZach McKinstry OVER 0.5 Total Bases · -149 Graded Jul 26, 2026