The Boston Red Sox have momentum ahead of the second half of the regular season, but they need more starting pitching to make a real run.

In this MLB mock trade, the Boston Red Sox send star third baseman Alex Bregman to the Seattle Mariners in exchange for ace Luis Castillo and key offensive depth, shaking up the playoff race before the 2025 trade deadline.

One current and one former Red Sox played pivotal roles in MLB’s first-ever swing-off to decide the outcome of the All-Star Game Tuesday night.