№ 01Tanner Bibee is running a 4.78 xERA across 106.3 innings, a contact-quality profile that flags his surface run prevention as due for regression.
№ 02Bibee's 4.81 FIP backs up the xERA story, telling us his defense-independent peripherals line up with a hittable starter, not a stopper.
№ 03Over his last 5 starts, Bibee has posted a 5.39 FIP across 29.3 innings, with recent outings clearly worse than earlier ones.
№ 04Mack has been quiet lately at 5-for-26 over his last 10 and hits just .077 on righty curveballs across 13 plate appearances.
№ 05loanDepot park runs a 1.02 environment and Mack hits .273 on righty cutters over 12 PA, with a .248 mark against right-handed pitching.
§ 01The analysis
The case for Joe Mack to break through for a hit starts with the arm on the other side. Tanner Bibee is carrying a 4.78 xERA over 106.3 innings, and his 4.81 FIP tells the same story on the defense-independent side. The gap between his run prevention and his contact quality points to regression, and the recent form backs it up. Across his last 5 starts, Bibee has been fading, running a 5.39 FIP over 29.3 innings with the most recent outings clearly the worst of the stretch. Mack gets him at loanDepot park in a 1.02 run environment, and he brings a .273 average on righty cutters over 12 plate appearances into the box. He is hitting .248 against right-handed pitching on the year with a .240 overall mark across 150 at-bats and a 0.71 OPS. The risk is real. Mack is 5-for-26 over his last 10 games, hits just .077 on right-handed curveballs across 13 plate appearances, and Bibee has held lefties to a .191 average across 235 matchups this season. One hit is the number, and the pitcher's peripherals point that way.
§ 02The call
The read here leans on Bibee's underlying numbers catching up to him. A 4.78 xERA, a 4.81 FIP, and a 5.39 FIP over his last 29.3 innings all point in the same direction, and Mack only needs to find the barrel once. His .273 mark on righty cutters over 12 PA and .248 against right-handed pitching give him a workable path. The 5-for-26 recent skid and Bibee's .191 mark to lefties across 235 matchups are the honest counter, but the price on over 0.5 hits at -128 fits the profile.
Final resultWINJoe Mack OVER 0.5 Hits · -128 Graded Jul 11, 2026