In addition to a fourth surgery on his broken forearm, New England Patriots tight end Rob Gronkowski might need back surgery, a source told ESPN NFL Insider Adam Schefter. Gronkowski recently underwent an MRI on his back to check on a disk issue from last season according to ESPN and media reports. The injury is not considered serious, the source said. If he needs back surgery, it would be performed during the time frame he would be sidelined after his forearm surgery, which is expected next week. Read more http://espn.go.com/boston/nfl/story...new-england-patriots-need-back-surgery-source
