BOSTON Right-hander Daisuke Matsuzaka is expected to begin another rehab assignment Saturday with Triple-A Pawtucket.
Manager Bobby Valentine said Matsuzaka is expected to throw around 75 pitches.
Matsuzaka, who is making his way back from Tommy John surgery in June, had already been on a rehab assignment but was taken off it on May 19 when his right trapezius muscle bothered him. Once a player has been recalled from a rehab assignment he cannot begin another for seven days.
With his new 30-day rehab assignment, Matsuzaka would have to be activated by June 25, barring any other setbacks. The team is waiting for the right-hander to feel fully healthy.
I think its more hearing it from him, Valentine said. Hes got to know that hes ready to do it and I dont know when that comes with guys who are rehabbing but they know. When the time comes they know.
Matsuzaka made five starts in his previous rehab assignment, one with High-A Salem, one with Double-A Portland, and three with Pawtucket. He posted a combined record of 0-2 with a 4.62 ERA spanning 25 13 innings.
He is in the final season of a six-year contract.