When we heard that Tufts Health Plan CEO Jim Roosevelt was taking the mound at Fenway last night, we thought the Sox had hit rock bottom. But Roosevelt was only there to throw out the first pitch. (He prepped by playing catch with wife Ann at their Cambridge home.) Roosevelt isn’t the first member of his famous family to grace the Fenway field. In 1944, Roosevelt’s grandfather, President Franklin Delano Roosevelt, delivered his final campaign speech at the park. … Vicki Kennedy spoke at an event marking the 10th anniversary of proton treatment at Mass General Hospital. … Pats tight end Rob Gronkowski will be featured on ESPN’s “E:60” show Tuesday. Is there something we don’t already know? … Jon Hamm, Kate Hudson, Larry David, Greg Mottola, and a few others dined at Sonsie the other night. … Angela “Big Ang” Raiola of “Mob Wives” ate at Strega Waterfront on Thursday with friends.