Boston Red Sox vs. Seattle Mariners MLB Betting Pick Prediction 7/31/2023 by Tony T.
Red Sox at Mariners—Nick Pivetta to start for Boston. Pivetta in 25 appearances in 2023 has an ERA of 4.11 plus WHIP of 1.17. The seven year veteran fans 29.4% with 10% walks. Ground ball rate of 34% with 1.33 home runs per nine innings. George Kirby to start for Seattle.