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by FOXSports.com

The infection in Tom Brady's surgically repaired left knee has potentially put the New England Patriots quarterback at risk of having to undergo a second ACL reconstruction, The Boston Herald reported.

Doctors concerned by the infection have performed three procedures in an attempt to eradicate it, a source told the newspaper. Brady said on his Web site that he had an arthroscopic procedure done to "clean and to test the wound" last Wednesday, but the paper said two additional procedures have been performed since that time.

According to the source, the fear is the patellar tendon graft used to replace Brady's anterior cruciate ligament is in danger of becoming compromised and may have to be removed. A new reconstruction would push back his rehabilitation, effectively forcing him to start from scratch, and could delay his return to the field.

Report: Brady has additional surgery on left knee....