Sabres Pilut undergoes shoulder surgerySource: WIVB-TV ‘The procedure has an estimated recovery time of five to six months.’ Related posts: Sabres’ Zach Bogosian undergoes hip surgery Rivet to undergo shoulder surgery Sabres D Rivet to undergo shoulder surgery Numminen Has Surgery; Spacek Remains Captain Sabres defenseman Zach Bogosian undergoes another hip surgery