BOSTON (CBS) – New England Patriots guard Logan Mankins is one tough guy.

ESPN Boston’s Mike Reiss is reporting that the Pro Bowler in charge of keeping Tom Brady upright underwent surgery to repair a torn ACL, an injury he played with during Super Bowl XLVI, according to sources.

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The seven-year pro is hoping to be ready for the start of training camp in July, but he will likely miss spring minicamps.

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Mankins suffered a left knee injury in the Patriots’ 27-24 win over the Dolphins on December 24, causing him to miss the regular-season finale the following week. It’s the only game Mankins has missed in his career due to injury.

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The Patriots signed offensive lineman Robert Gallery on Monday as they try to add more depth to their line. There are questions surrounding the status of Brian Waters, a free agent, and Matt Light, who is reportedly considering retirement.