№ 01Mike King's xERA of 4.48 sits well above his 3.46 ERA, suggesting the contact he has allowed has been louder than the surface line shows.
№ 02King throws 48.3% fastballs and Wetherholt carries a .385 xwOBA against fastballs across 188 plate appearances this season, a direct matchup edge.
№ 03Across his most recent 5 starts, King has posted a 5.28 FIP over 29.3 innings, with his composite form score down at -32 on the year.
№ 04Busch Stadium grades as a 0.89 home run factor for left-handed hitters, which is a real counter for a slugging-dependent total bases line.
№ 05Wetherholt carries a 0.77 OPS in 201 plate appearances against right-handed pitching and is hitting .256 versus righties on the season.
§ 01The analysis
The case for Wetherholt clearing 1.5 total bases at plus money starts with the pitcher he is facing. Mike King owns a 3.46 ERA across 80.7 innings, but his xERA of 4.48 and 4.12 FIP say the run prevention has outrun the peripherals, and across his last 5 starts he has run a 5.28 FIP over 29.3 innings. His composite form score is -32, with swing-and-miss falling below his own baseline. The pitch-mix matchup lines up too — King leans on fastballs 48.3% of the time, and Wetherholt carries a .385 xwOBA against fastballs over 188 plate appearances. The counter is real. Busch Stadium carries a 0.89 home run factor for left-handed hitters, King has held lefties to a .177 average across 192 matchups, and Mason Miller waits in the bullpen with a 0.90 ERA over 30.0 relief innings if it stays close. Wetherholt's broader profile is steady rather than loud — a .251 average, a 0.75 OPS, 10 hits in 39 at-bats over his last 10 games, and a 0.77 OPS against right-handers.
§ 02The call
At plus 145, the price pays for a counting-stat outcome, not a season narrative. The angle is the pitcher. King's xERA, his 5.28 FIP over the last 5 starts, and a -32 form score say the 3.46 ERA is hiding slippage, and his fastball-heavy mix runs straight into Wetherholt's .385 xwOBA on fastballs across 188 plate appearances. The Busch park factor for lefties and Mason Miller in the ninth are honest concerns, but they speak to home runs and late innings rather than the first two or three trips. Take Wetherholt over 1.5 total bases.
Final resultWINJJ Wetherholt OVER 1.5 Total Bases · +145 Graded Jun 17, 2026