Fulmer (elbow) has begun throwing off a mound, Rob Bradford of WEEI.com reports.
Fulmer (elbow) signed a two-year, minor-league contract with the Red Sox on Feb. 2.
Fulmer underwent UCL revision surgery Thursday on his right elbow and is expected to miss the 2024 season, Bruce Levine of 670TheScore.com reports.
The Cubs transferred Fulmer (forearm) from the 15-day injured list to the 60-day IL on Sunday, Meghan Montemurro of the Chicago Tribune reports.
Fulmer was placed on the injured list Saturday with a right forearm strain.
Fulmer earned a save against the Rockies on Monday, issuing one walk and striking out two batters over two-thirds of an inning.
Fulmer (forearm) was activated from the injured list Monday, Meghan Montemurro of the Chicago Tribune reports.
Fulmer (forearm) threw a successful bullpen session Wednesday, Maddie Lee of the Chicago Sun-Times reports.
Fulmer (forearm) is expected to throw a bullpen session Wednesday, Tony Andracki of Marquee Sports Network reports.
Fulmer (forearm) will play catch Friday, Meghan Montemurro of the Chicago Tribune reports.