№ 01Ohtani's xERA sits at 2.61 while his surface ERA is 1.06, a gap that says his contact-quality results have outrun his peripherals.
№ 02Across his last 5 starts, Ohtani's ERA in the most recent two is 2.13 versus 0.00 in the older two, so he is trending the wrong way inside the window.
№ 03Dodger Stadium plays to a 1.19 home run factor for left-handed hitters this season, giving Simpson a friendly backdrop from the left side.
№ 04Ohtani's composite form score is -34 on the year, with swinging-strike and strikeout rates dipping below his own baseline.
№ 05The clear counter is recent form — Simpson has just 2 hits in 21 at-bats over his last 10 games, which is why this number prices at +188.
§ 01The analysis
Simpson at +188 for over 1.5 total bases is a price play built on regression signals against an inflated surface line. Ohtani's 1.06 ERA across 67.7 innings looks untouchable, but his 2.61 xERA and 2.45 FIP both point to a pitcher whose results have outpaced his stuff. The most recent two of his last 5 starts carry a 2.13 ERA after 0.00 in the older two, and his composite form score sits at -34, with swing-and-miss falling off. Simpson is a .293 hitter against right-handed pitching this season and gets Dodger Stadium's 1.19 home run factor for lefties as a tailwind. The counters are real and worth stating plainly. Simpson has 2 hits in his last 21 at-bats, his .255 xwOBA against fastballs is a problem when Ohtani throws 59.1% heaters, and Ohtani has held lefties to a .155 average across 142 matchups. Tanner Scott and a 2.32 ERA wait in the late innings. At plus money, the path is one extra-base hit or a multi-hit afternoon before the bullpen takes over.
§ 02The call
Take Simpson over 1.5 total bases at +188. The bet is paid for by the gap between Ohtani's 1.06 ERA and his 2.61 xERA, a worsening recent-start trend, and a park that boosts left-handed power by 19%. Simpson's cold 10-game stretch and his weak fastball xwOBA are why the price is this generous, not reasons to pass. Against a starter whose underlying form score has dropped to -34 in a daylight game at Dodger Stadium, one extra-base hit or a two-hit afternoon clears the number, and that is a fair ask at plus money.
Final resultLOSSChandler Simpson OVER 1.5 Total Bases · +188 Graded Jun 17, 2026