New England Patriots Photos

File- This Nov. 18, 2012 file photo shows New England Patriots tight end Rob Gronkowski on the sidelines in the second half of an NFL football game against the Indianapolis Colts in Foxborough, Mass. Gronkowski has undergone back surgery, Tuesday June 18, 2013. The operation was performed on Tuesday by Dr. Robert Watkins and was successful, said Drew Rosenhaus, Gronkowski's agent. (AP Photo/Michael Dwyer, File)

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New England Patriots' Josh Kline, right, holds back center Matt Stankiewitch with a blocking pad during practice at NFL football minicamp in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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Former New York Jets wide receiver Chaz Schilens makes a catch during a New England Patriots football practice in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots quarterback Ryan Mallett throws during practice at NFL football minicamp in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots head coach Bill Belichick, center, twirls a whistle as he watches players during practice at NFL football minicamp in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots defensive linemen Vince Wilfork, right, and Justin Francis, left, stretch during practice at NFL football minicamp in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots quarterback Tom Brady, right, runs with quarterback Tim Tebow during practice at NFL football minicamp in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots quarterback Tom Brady points during practice at NFL football minicamp in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots head coach Bill Belichick listens to a reporter's question during a news conference before a team football practice in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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New England Patriots quarterback Tim Tebow throws during a team football practice in Foxborough, Mass., Wednesday June 12, 2013. (AP Photo/Charles Krupa)

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