Pregame notes: Peavy arrives Thursday

BOSTON -- Some notes and observations from Fenway Park as the Red Sox prepare to face the Mariners for Game 2 of their series:

* New Red Sox pitcher Jake Peavy is expected to arrive Thursday at Fenway Park. He will sit down with manager John Farrell and the staff and map out a plan, which will likely include a light bullpen session Thursday. Farrell said Peavy will make his Red Sox debut during this homestand, which ends Sunday. The assumption is that it will come Saturday so that the team can split up left-handers Jon Lester, who is starting Friday, and Felix Doubront.

“We would love to potentially do that,” Farrell said.

* The Peavy trade also reinforces the bullpen, moving Brandon Workman into a relief role on the heels of his first major league win. The righty will need some down time from his start Tuesday night before being ready in relief, likely by Saturday.

Farrell said he has the utmost confidence in a seamless transition for Workman, who was originally called up to provide some help in the pen before being ushered into the rotation.

“First of all, strike throwing. If you start to prioritize the characteristics of a successful reliever, it’s strike-throwing, and he has shown that,” Farrell said. “Even in his only relief appearance he’s shown the ability to get some swing and miss with his fastball. Last night was the best curveball he’s had in the three starts. The thing that stands out probably the most is the demeanor on the mound and the mound presence. Even when he’s been pitching with some traffic behind him or some guys on base, he’s not tried to overthrow or come out of his delivery.”

Farrell indicated that Workman could see some high-leverage situations if others who are more experienced in such roles are not available on a given night. For now, he provides a multi-inning presence and security in case an emergency starter is necessary.

The shuffle enabled the club to provide a bit more balance to the pen.

“I like our team. I like our ability to match up,” Farrell said. “Once Brandon is recovered from this start, to have a multi-inning guy down there and then to have three left-handers in the bullpen, particularly with the teams we’re playing, it’s a little bit of a luxury. I think there’s a good balance and a good complement of abilities in that bullpen.”

* While Workman enters the pen, fellow relievers Franklin Morales and Alex Wilson are continuing to rehab and nearing a complete return to health.

Morales, out with a pectoral strain, threw 13 pitches in a scoreless inning Wednesday for Pawtucket, his second such appearance. The hard-throwing southpaw is scheduled to go back-to-back Saturday and Sunday.

Wilson, sidelined with a sprained right thumb, will throw an inning Thursday after making an appearance Tuesday.

* Clay Buchholz was scheduled to throw another long-toss session Wednesday, during which he would condense from 120 feet to about 65-70 feet and increase the intensity. Buchholz will eventually throw from a mound, but there is no date set for that yet.