Jay Pandolfo has been invited to Bruins training camp, according to general manager Peter Chiarelli and agent Bob Murray. The ex-Boston University star played for the Islanders in 2011-12 with one goal and two assists in 62 games while averaging 10:55 of ice time. Pandolfo had been practicing with the Bruins all week, both at Ristuccia Arena and at BU’s Agganis Arena. On Friday, Pandolfo wore a Bruins practice jersey for the first time. When asked about the uniform, Pandolfo said he was given the Bruins sweater to fit in with the rest of the players. The Burlington native played for Julien in 2006-07 with the Devils. The 38-year-old Pandolfo is a defense-first left wing who can kill penalties . . . Khudobin and David Krejci practiced with their teammates for the first time on Friday. It was the final informal practice prior to Sunday’s official opening of camp.