BOSTON (CBS) –Red Sox pitcher Daisuke Matsuzaka has hit a snag in his return to the majors, and will not be making what was supposed to be his final rehab start Tuesday for the Pawtucket Red Sox.
Matsuzaka received an injection in his right trapezius muscle, located in the upper back, and cannot take the mound again for seven days off. The team is expected to receive an extension on Matsuzaka’s rehab stint from Major League Baseball.
According to manager Bobby Valentine, it’s an injury that has bother Matsuzaka since spring training.
“That’s been nagging him for quite a while,” Valentine said Sunday. “We’ve got to make sure that’s 100-percent before he goes out there again.”
Read: Red Sox-Orioles Preview
Matsuzaka will join the team in Baltimore as the Red Sox open a three-game set with the Orioles where he will monitored by the medical staff. In his most recent start Thursday night, Matsuzaka allowed five runs over 6.2 innings of work against the Durham Bulls.
View: Red Sox Injuries
The Red Sox righty underwent Tommy John surgery last June, which normally requires over a year to recover from. Matsuzaka’s rehab was progressing quickly until the recent set-back.