Rob Gronkowski's health
Rob Gronkowski's career has been about big numbers. In 2011, that meant 90 catches and 17 touchdowns. In 2012 and so far in 2013, the big number is four -- as in he's about to have a fourth surgery on his twice-fractured left forearm. A post-surgical infection made the third procedure necessary, and the fourth is reportedly to replace a metal plate in his arm. While Gronk is expected to return as training camp starts, should the Patriots be worried about his ability to stay healthy? Vote below!