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04/05/10 1:54 PM ET

Molina in starting lineup for Cardinals

Catcher also expected to be behind plate on Wednesday

CINCINNATI -- Cardinals catcher Yadier Molina was finally and formally cleared to return to active duty on Monday, and the two-time Gold Glover was in St. Louis' starting lineup on Opening Day against Cincinnati at Great American Ball Park.

Molina had not appeared in a game since March 24 because of a strained right oblique muscle. He took batting practice on Saturday and worked out again on Sunday, and following his Sunday work, he was expected to be in the Opening Day lineup. But it was not a certainty until he came to the park on Monday, when he was officially cleared.

"Good workout the last two days, so he's ready to go," manager Tony La Russa said.

La Russa did not commit to a schedule for Molina's playing time. Molina started the Cardinals' first seven games last season, and typically, he has been among the leaders in playing time for National League catchers.

"[We'll] see how he feels," La Russa said. "We've got a day off tomorrow. He'll catch [Adam Wainwright on Wednesday]. Then we've got a day game, we'll see."

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