Newcomb was designated for assignment after a series of heavy innings, reflecting the strain on the Red Sox pitching staff and the team's need for fresh arms.

Sean Newcomb, a left-handed pitcher for the Boston Red Sox, has faced significant ups and downs this season, struggling to control games and allow fewer baserunners. Despite his initial excitement of making the Opening Day roster, his performances have not been consistent enough to ensure his spot in the rotation going forward.

Sean Newcomb will start for the Red Sox, holding a 3.63 ERA in 17 1⁄3 innings pitched this season. His performance will be crucial against the struggling Emerson Hancock of the Mariners.

Sean Newcomb will look to capitalize on his favorable matchup against the Mariners, holding a 3.64 ERA this season. His ability to manage the game and minimize errors will be key to Boston's success.

Sean Newcomb is struggling with an 0-2 record and a 4.97 ERA, raising concerns about his effectiveness in the starting rotation for the Red Sox.