Brayan Bello allowed one run over five innings in his season debut, Triston Casas hit a three-run homer in the seventh and the Boston Red Sox beat the Seattle Mariners 8-3 on Tuesday night for their sixth win in seven games.

Catcher Carlos Narváez helped Bello along in his first start of 2025, as the righthander lasted five innings and allowed one run on four hits and three walks while striking out three.

Brayan Bello works five innings in his first start of the season, and Alex Bregman and Triston Casas each drive in three runs.