Baseball notes: Giants put pitcher Matt Cain on disabled list

San Francisco Giants pitcher Matt Cain was placed on the 15-day disabled list Friday because of a strained right hamstring. The trip to the DL, Cain’s second this year, was retroactive to May 22.

Giants Manager Bruce Bochy says Yusmeiro Petit will start in Cain’s place for the second straight time Saturday. Bochy anticipates Cain will make his next start at home June 6 against the New York Mets.

Bochy says Cain was willing to pitch but admitted he was still feeling something in the hamstring. Bochy says if it was mid-September and the Giants were in a tight race, Cain would have pitched.

Cain is 1-3 with a 3.66 earned-run average in eight starts. Petit is 3-2 with a 5.08 ERA in 14 games, four of them starts.

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St. Louis called up hot-hitting outfielder Randal Grichuk, a first-round draft pick by the Angels in 2009, and optioned outfielder Shane Robinson to triple-A Memphis. . . . Texas ace Yu Darvish, scratched from a start Tuesday because of neck discomfort, threw a side session and is on track to start Sunday against Washington. . . .

The White Sox said ace Chris Sale will start Sunday, scuttling a potential Monday matchup against the Dodgers’ Clayton Kershaw. . . . Nationals third baseman Ryan Zimmerman, on the DL with a broken right thumb since April 13, is set to begin a rehab assignment with Class-A Potomac (Va.). . . .

Miami right-hander Henderson Alvarez was cleared to make his next start Tuesday after complaining of a sore elbow in his last outing. . . . Boston put first baseman/catcher Ryan Lavarnway on the DL with a broken bone in his left hand.