№ 01Starling Marte is hitting .270 across 115 at-bats with a 0.66 OPS, giving the over 0.5 hits a stable baseline heading into Kauffman.
№ 02Over his last 10 games Marte has 8 hits in 28 at-bats, so the recent bat matches the season line rather than fading beneath it.
№ 03Landen Roupp throws 54.3% fastballs and Marte owns a .370 xwOBA against fastballs across 63 plate appearances, a favorable pitch-mix collision.
№ 04Roupp has walked 45 batters in 104.0 innings for a 3.9 BB/9, and his swinging-strike and K rates have both dipped under his own baseline.
№ 05The counter is real: Roupp carries a 3.41 xERA and a 3.23 FIP over 104.0 innings and his last 5 starts have been visibly sharper.
§ 01The analysis
The anchor here is the batting average. Starling Marte is hitting .270 on the season across 115 at-bats with a 0.66 OPS, and the recent form matches it, with 8 hits in 28 at-bats over his last 10 games. That is the profile of a hitter clearing 0.5 hits at a reasonable clip, and today's matchup plays into the strength of the bat. Landen Roupp throws 54.3% fastballs, and Marte carries a .370 xwOBA against fastballs across 63 plate appearances this season. The command angle helps too. Roupp has walked 45 batters across 104.0 innings, a 3.9 BB/9 that sits in the bottom tier of the league, and both his swinging-strike and strikeout rates have fallen below his own baseline. Even if Marte does not cash on Roupp, Caleb Kilian is behind him with a 4.69 ERA across 40.3 relief innings, so late plate appearances stay live. Against right-handed pitching Marte is at .258 with a 0.72 OPS in 33 plate appearances, and Kauffman plays to a 1.02 run environment in daylight.
§ 02The call
The risk is that the run prevention peripherals like Roupp more than the walk rate does. His 3.41 xERA and 3.23 FIP across 104.0 innings say his contact quality has been sharper than the runs allowed, and his last 5 starts have been visibly better than the earlier ones. That is a real counter at -150. But the bat trend, the fastball-heavy 54.3% mix meeting Marte's .370 xwOBA on fastballs, and a shaky Kilian bridge behind Roupp give the over 0.5 hits enough surface to land.
Final resultWINStarling Marte OVER 0.5 Hits · -150 Graded Jul 22, 2026