№ 01Bryan Woo throws 65.9% fastballs, and Coby Mayo carries a .402 xwOBA against fastballs across 92 plate appearances this season.
№ 02Mayo is hitting .194 on the season across 170 at-bats with a 0.65 OPS, which keeps any single-hit prop honest.
№ 03The platoon split works against this bet, as Mayo carries a 0.46 OPS in 132 plate appearances against right-handed pitching this season.
№ 04Over his most recent 5 starts, Bryan Woo has run a 1.67 FIP across 30.0 innings, indicating he has been suppressing contact at a strong rate.
№ 05If the game stays close, opposing closer Andrés Muñoz carries a 5.18 ERA across 24.3 relief innings, leaving a softer late-game look available.
§ 01The analysis
The case for Mayo to record at least one hit leans heavily on the matchup with Bryan Woo's pitch mix. Woo throws 65.9% fastballs, and Mayo's .402 xwOBA against fastballs across 92 plate appearances is the cleanest reason to expect contact in this spot. That matters because the broader profile is not friendly. Mayo is hitting .194 across 170 at-bats with a 0.65 OPS, he has only 7 hits in 37 at-bats over his last 10 games, and his split against right-handed pitching sits at a 0.46 OPS over 132 plate appearances. Woo is also pitching well, with a 2.88 FIP on the season and a 1.67 FIP across his last 30.0 innings. Camden Yards plays neutral at a 0.98 run environment. The path to cashing this over runs through Mayo squaring up one of Woo's heaters early, before the game tilts toward a Seattle bullpen where Muñoz's 5.18 ERA in 24.3 innings leaves a path to a late base hit if Mayo gets a third or fourth at-bat.
§ 02The call
The market is pricing Mayo Over 0.5 Hits at -122, an implied 55.0%. Our number on the over is 63.5%, leaving an edge of 8.5%. The profile is not pretty given the .194 average and the platoon hole against righties, but the pitch-mix matchup with a fastball-heavy starter is the kind of input that moves a single-hit prop more than a season slash line does. At this price, with that fastball xwOBA in hand and a beatable closer behind Woo, the lean is to the over.
Final resultWINCoby Mayo OVER 0.5 Hits · -122 Graded Jun 12, 2026