Massachusetts May 21, 2017 6:35 pm Big Papi Given Doctorate at BU Graduation Retired Red Sox slugger David Ortiz – affectionately known to fans as Big Papi – received an honorary doctorate Sunday from Boston University. US & World Videos 1:56 20-year-old killed, teen critically hurt in Northbridge double stabbing 1:50 Man found shot to death in Taunton shed 1:43 Authorities respond to incident in Northbridge 0:49 Bowling alley reopens 6 months after mass shootings in Lewiston, Maine 2:27 Mother speaks out after school shooting threat in Milton