What happened: Aroldis Chapman’s trade value has reached a multi-year peak as the Boston Red Sox fall further out of the AL East race. The veteran closer has been nearly flawless in 2026, revitalizing his career with a four-pitch mix and consistent triple-digit velocity.

Why it matters: Sitting 12 games under .500, Boston is expected to be a major seller before the August 3 deadline. The elite performance of Aroldis Chapman makes him the top rental option for contenders seeking late-inning stability as the market heats up.

What to watch: Bidding is expected to intensify as the trade deadline nears, with experts projecting a significant return for the left-hander. Chapman’s market will likely set the tone for the relief pitcher landscape in July.