Family affair: Can the Gronkowski brothers keep up with the Joneses? Patriots rookie Chandler Jones comes from a mega-athletic family. One brother (Arthur) is a defensive end with the Baltimore Ravens and the other (Jon) dominates in UFC. Battling those two growing up is the perfect preparation for a Bill Belichick training camp. They’ve been called “America’s Most Athletic” family for a reason. Chandler gives the Patriots an immediate impact player at defensive end, especially when the Pats shift to a 4-3. More importantly – Will his brother Jon slide down in weight part-way to face off against Anderson Silva?