№ 01Trevor McDonald carries a 4.64 ERA across 42.7 innings, leaving room for damage when hitters square him up.
№ 02Marsee is slugging .480 against right-handed sinkers this season over 28 plate appearances, his best avenue for power off McDonald.
№ 03McDonald has already surrendered 4 home runs to left-handed batters across 99 matchups, so the platoon door is open.
№ 04Marsee's overall season line is rough at .203 with a 0.64 OPS and only 4 homers in 256 at-bats, the real reason this sits at +1100.
№ 05LoanDepot park grades at a 0.98 home run factor for left-handed hitters, a neutral-to-slightly-suppressing backdrop rather than a tailwind.
§ 01The analysis
This is a long-shot home run swing at +1100, and the price reflects what Marsee has actually done this year. He is hitting .203 with a 0.64 OPS across 256 at-bats, with just 4 home runs total, and his split against right-handed pitching is a matching 0.64 OPS over 234 plate appearances. The case for taking the over rests on a specific matchup angle. McDonald carries a 4.64 ERA over 42.7 innings, he has already given up 4 home runs to left-handed batters across 99 matchups, and Marsee is slugging .480 against right-handed sinkers this season in 28 plate appearances. The counters are honest. McDonald's xERA of 4.28 and FIP of 3.45 both sit under his ERA, and his last two starts at a 5.19 ERA are better than the 8.10 mark in the two before that. LoanDepot park's 0.98 home run factor for lefties offers no help. Marsee has 8 hits in 37 at-bats over his last 10 games, so he is putting the bat on the ball.
§ 02The call
At +1100, Marsee over 0.5 home runs is a price play built on one specific matchup edge. McDonald has been homer-prone against left-handed bats, his ERA sits at 4.64, and Marsee's .480 slug against right-handed sinkers is the type of pitch-specific strength that can turn into one swing. The season profile is weak and the park is neutral for lefties, which is exactly why the number is this long. Take the shot at the price and live with the variance. Over 0.5 home runs is the side.
Final resultLOSSJakob Marsee OVER 0.5 HR · +1100 Graded Jun 21, 2026