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03/27/08 8:44 PM ET

Vizquel set for Minor League action

Shortstop on schedule for mid-April return

SAN FRANCISCO -- Omar Vizquel's recovery from left knee surgery will accelerate Saturday, when the 40-year-old shortstop is expected to play in a Minor League exhibition game.

Vizquel, who underwent surgery Feb. 27 to remove a torn meniscus from his left knee, continued sharpening his swing Thursday when he took "live" (full speed) batting practice off right-hander Vinnie Chulk, who's striving to overcome shoulder tendinitis.

Barring setbacks, Vizquel appears to be on schedule to rejoin the lineup by mid-April, as anticipated. Rookie Brian Bocock is likely to replace Vizquel in the meantime.

"I'm getting better every day," Vizquel said earlier this week. "I haven't really had a day where I'm sore. I've been doing everything they're asking me to do and it's progressing. But there's not a reason to push it. I'm going to take whatever time it needs to get well."

In other health-related developments, left fielder Dave Roberts missed his third game in a row with a sore left knee but should be ready to play Friday against Oakland.

Infielder Kevin Frandsen's surgery to repair his torn left Achilles tendon has been scheduled for Saturday in San Francisco. Dr. Larry Oloff, a foot specialist, and Dr. Ken Akizuki, the Giants' team orthopedist, will perform the procedure.

Chris Haft is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.