№ 01Henderson is slugging .500 against right-handed sinkers across 38 plate appearances this season, giving him real extra-base juice against that pitch shape.
№ 02Yamamoto throws fastballs 79.8% of the time, and Henderson carries a .341 xwOBA against fastballs over 186 plate appearances this year.
№ 03Yamamoto's 2.52 ERA is propped up by contact luck — his xERA sits at 3.32 and his FIP at 3.28, both well above the surface number.
№ 04Dodger Stadium plays to a 1.19 home run factor for left-handed hitters this season, expanding the path to extra bases for a lefty bat.
№ 05The counter is real — Yamamoto has held left-handed hitters to a .168 average across 167 matchups, so this is a price-driven look at +167.
§ 01The analysis
This is a price play on a hitter who has shown extra-base ability against exactly the pitch shapes Yamamoto leans on. Henderson is slugging .500 against right-handed sinkers and carries a 20.0% barrel rate against right-handed cutters in a smaller sample of 19 plate appearances. Yamamoto leans hard on heat at 79.8% fastballs, and Henderson's .341 xwOBA against fastballs over 186 plate appearances is the kind of quality of contact that produces doubles and homers, not just singles. Yamamoto's 2.52 ERA looks dominant on the surface, but his 3.32 xERA and 3.28 FIP both suggest the contact he is allowing is louder than the runs reflect. Dodger Stadium's 1.19 home run factor for left-handed hitters helps. The case against is honest — Henderson is hitting .223 on the season with a 0.70 OPS, and Yamamoto has limited lefties to a .168 average across 167 matchups. That is why the number is +167 rather than even money.
§ 02The call
Take Henderson OVER 1.5 total bases at +167. The structural fit is what matters here — Yamamoto's heavy fastball mix runs straight into one of Henderson's better pitch-type profiles, the underlying numbers on the Dodgers' starter are softer than his ERA suggests, and the park boosts left-handed power. Henderson's season line and Yamamoto's success against lefties are why the price is plus money, not even. At +167, you only need this profile to play out occasionally for the number to be too long.
Final resultLOSSGunnar Henderson OVER 1.5 Total Bases · +167 Graded Jun 21, 2026