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David Garrard injured, won't play tonight

Dolphins quarterback David Garrard confirmed moment ago he has an knee injury that will prevent him from playing tonight versus Tampa Bay and may prevent him from playing for several more weeks -- thus putting his assault on the Dolphins starting quarterback job in jeopardy.

"I'm going to sit back a couple of days and study my situation," Garrard said. "I'm going to take a wait-and-see approach. I'll be alright, though."

The Chicago Sun-Times reported that Garrard had minor knee surgery. ESPN reported Garrard is expected to undergo surgery."

Garrard said he would wait a couple of days before any surgery.

[Update: Al Irby, Garrard's agent, tells The Herald's Adam Beasley that the surgery is likely Saturday morning.]

Regardless of the surgery's timing, it derails the veteran's plans to win the Dolphins starting quarterback competition.

Matt Moore is now expected to start against Tampa Bay with Ryan Tannehill as his backup and Pat Devlin behind them. The Dolphins quarterback competition, which Garrard was leading, now becomes a two-man race to the season-opener between Moore and Tannehill.

The Dolphins open Sept. 9 at Houston.

Even if Garrard is out only four weeks, it would be unlikely that he would be ready to play that game.