№ 01A total of 7 lands 2.2 runs below the venue-adjusted league baseline of 9.2 runs at Comerica Park, parking this number in the left tail of typical scoring outcomes.
№ 02Zack Wheeler's 2.28 ERA masks a 2.70 xERA, a 0.42-run gap that flags his run prevention as due to regress toward what he's actually allowing.
№ 03Wheeler's last 5 starts trend the wrong way, with a 1.54 ERA in the earlier outings ballooning to a 3.86 ERA in the most recent ones.
№ 04Wheeler leans on fastballs 77.2% of the time and the opposing lineup owns a .355 xwOBA against fastballs across 2173 plate appearances this year.
№ 05Detroit's top leverage arm Kenley Jansen is running a 4.56 ERA, and Jhoan Duran's 2.18 xERA sits above his 1.38 ERA, hinting his suppression has outrun his stuff.
§ 01The analysis
The number itself is doing a lot of the talking here. Seven runs sits 2.2 below the venue-adjusted league baseline of 9.2 at Comerica Park, which puts this total squarely in the left tail of what usually happens in a big-league game, even one played in a 1.02 run environment. Zack Wheeler's headline 2.28 ERA is the reason the market got here, but his 2.70 xERA opens a 0.42-run gap that argues his run prevention is due to give some back. The trend agrees: across his last 5 starts, a 1.54 ERA in the earlier outings has drifted to a 3.86 ERA in the most recent ones. He also throws 77.2% fastballs, and the lineup he's facing carries a .355 xwOBA against fastballs across 2173 plate appearances. On the Detroit side, Kenley Jansen's 4.56 ERA in the top leverage role means late innings can crack open, and Philadelphia's closer Jhoan Duran carries a 2.18 xERA against a 1.38 ERA, so his suppression has been better than his true ability suggests.
§ 02The call
The risk is the other starter. Tarik Skubal's 3.19 xERA across 70.7 innings and 3.19-adjacent 3.03 FIP are real, he's punching out 30.1% of hitters, and his last 5 starts flipped from a 4.35 ERA early to a 1.64 ERA most recently. Both offenses have cooled over the last 7 days, with the home side at 6.4 runs per game and the away side at just 2.5. That's the honest case for the under, but the price on over 7 at -103 leans on the shakier pieces of the profile above.
Final resultLOSSOver 7 -103 · -103 Graded Jul 12, 2026