№ 01Bryce Miller's xERA of 2.34 sits well above his surface 1.54 ERA, suggesting his contact-quality results have been better than the underlying peripherals justify.
№ 02Closer Andrés Muñoz has been hittable in the late innings, carrying a 5.47 ERA across 26.3 relief innings if the game gets to him.
№ 03The counter is real: Monasterio owns just a 0.56 OPS in 67 plate appearances against right-handed pitching this season.
№ 04Over his last 10 games, Monasterio has gone 5 for 22, leaving him with modest recent volume to lean on.
№ 05T-Mobile Park's 0.83 run environment and 0.91 home run factor for right-handed hitters work against any extra-base upside on this number.
§ 01The analysis
This is a price-driven look at a low bar. Monasterio only needs one single to cash, and the case starts with Miller's surface line being shinier than the engine underneath. His 1.54 ERA sits next to a 2.34 xERA, which says the contact he has allowed should have produced more damage than the scoreboard shows. If the game tilts to the bullpen, Andrés Muñoz has been available for runs, carrying a 5.47 ERA across 26.3 relief innings. The counters are honest. Monasterio's platoon split is ugly at a 0.56 OPS in 67 plate appearances versus right-handers, he is hitting .231 against that side, and his last 10 games have produced 5 hits in 22 at-bats. T-Mobile Park also dampens output, with a 0.83 run environment and a 0.91 home run factor for righty bats. Miller's 2.96 FIP and 29.9% strikeout rate are real obstacles. But the bet is one total base at -103, and Miller's peripherals point to a pitcher hitters have squared up more than the ERA suggests.
§ 02The call
Take Monasterio over 0.5 total bases at -103. The pick rides on the gap between Bryce Miller's 1.54 ERA and his 2.34 xERA, which says hitters have done more damage on contact than the line shows. The platoon numbers and the park are headwinds worth respecting, and Miller's strikeout rate is the cleanest path to a bust. Still, the bar is a single, the bullpen behind Miller has leaked runs at a 5.47 clip, and the price is close to even money. Lean to the over.
Final resultWINAndruw Monasterio OVER 0.5 Total Bases · -103 Graded Jun 20, 2026