Mastrobuoni had cracked the lineup in each of the Mariners' last four games against right-handed starting pitchers, but he'll head to the bench Wednesday while Ben Williamson steps in for him at third ...

Brock and Salk highlight one batter and two relievers who have surprisingly played prominent roles in the Seattle Mariners' first 16 games.

Reds first. TJ Friedl pops out to shallow infield to J.P. Crawford. Santiago Espinal lines out to shortstop to J.P. Crawford. Elly De La Cruz singles to second base. Austin Hays homers to right field.

Mastrobuoni will start at third base and bat seventh in Sunday's game against the Rangers.

Cam Smith to second. Jake Meyers scores. Isaac Paredes grounds out to second base, Miles Mastrobuoni to Rowdy Tellez. 3 runs, 3 hits, 0 errors, 2 left on. Astros 3, Mariners 0. Astros third.