Heineman (hamstring) was reinstated from the 10-day injured list and optioned to Triple-A Worcester on Saturday, Gabrielle Starr of the Boston Herald reports.

Heineman (hamstring) began a rehab assignment Saturday with Double-A Portland and went 1-for-3 with a run and an RBI while serving as a designated hitter.

The Red Sox placed Heineman on the 10-day injured list Monday, retroactive to April 22, with a right hamstring strain.

The Red Sox recalled Heineman from Triple-A Worcester on Sunday, Mac Cerullo of the Boston Heraldreports.

Boston optioned Heineman to minor-league camp Monday, Rob Bradford of WEEI.com reports.

The Red Sox acquired Heineman from the Mets on Friday in exchange for cash considerations, Rob Bradford of WEEI.com reports.

The Mets designated Heineman for assignment Tuesday, Will Sammon of The Athletic reports.

The Mets claimed Heineman off waivers from the Blue Jays on Friday, Anthony DiComo of MLB.com reports.

Heineman went 2-for-3 with a triple, a walk, three RBI and a run scored in Sunday's 12-8 loss to the Rays.

The Blue Jays recalled Heineman from Triple-A Buffalo on Saturday.