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03/16/09 8:17 PM ET

Big Unit to miss start with sore arm

Giants manager says scratch is precautionary, no tests scheduled

SCOTTSDALE, Ariz. -- Giants left-hander Randy Johnson will skip his next scheduled start due to what manager Bruce Bochy termed Monday as a "tiny touch of bicep soreness."

Bochy quickly added that the move was precautionary and that Johnson did not need to undergo any physical tests. Johnson was originally scheduled to start Wednesday against the Chicago Cubs, but that assignment will go to Tim Lincecum, whose turn was pushed back two days by a case of bronchitis. Bochy indicated that the Giants might decide in the next couple of days when Johnson will pitch again.

"We expect him to be fine," Bochy said of Johnson, 45. "It's not that drastic. ... It [Johnson's arm] is a little cranky, that's all. Kind of the normal Spring Training stuff."

The duration of Spring Training, lengthened by approximately one week due to the World Baseball Classic, further eases Bochy's concern about Johnson.

"We've got time to have him ready and get his pitch count up," Bochy said.

Johnson, who last pitched March 8, has allowed one earned run and struck out 12 in 8 1/3 innings spanning three Cactus League appearances. San Francisco's projected No. 2 starter signed a one-year, $8 million contract as a free agent Dec. 26.

With Lincecum needing time to recover from his illness and Jonathan Sanchez participating in the Classic with Puerto Rico, the Giants will entrust their innings to relievers in Tuesday's exhibition against Milwaukee. Right-hander Billy Sadler is scheduled to start the game.

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