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02/26/09 7:57 PM EST

Bradley leaves with mild quad tightness

Right fielder expected to be back in starting lineup this weekend

MESA, Ariz. -- Cubs outfielder Milton Bradley took himself out of Thursday's game after he drew a walk in the first inning because of mild tightness in his left quad.

Bradley, who signed a three-year contract in January, was making his first Cactus League start for the Cubs against Milwaukee. He drew a walk off the Brewers' Yovani Gallardo, and was lifted for a pinch-runner.

Was he injured in the game?

"I didn't do too much in the game," Bradley said. "I felt it before when warming up, so I let them know it felt tighter than it should have been. Since we have a quarter of a season worth of games in Spring Training, I felt the best course of action was to let them know right now. If it's April 6, I play."

Cubs manager Lou Piniella said Bradley felt some tightness while running to warm up for Thursday's game. They wanted the outfielder to get one at-bat, see how he felt, and then they would make a decision. He was quickly pulled after drawing the walk.

"We've got a long time," Piniella said of the 39-game spring schedule. "It's amazing that he's been doing all his drills, he's been doing the running, and his legs have felt great."

Bradley was able to work out after his brief outing. He'll get treatment and is expected to be in the lineup this weekend. He appeared in six Cactus League games last year with the Rangers, hit .286, and went on to lead the American League in on-base percentage.

"Spring is spring," Bradley said. "I had like five at-bats last spring and hit .320 [for the season]. Spring is overrated. I didn't play until the last week. I'm going to hit. That's not a concern. I'm just trying to stay as healthy as possible."

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