(MTL 5) MONTREAL, May 10--GAINEY KEEPING LEACH IN CHECK--With Montreal coach Scotty Bowman standing by, Canadiens left winger Bob Gainey takes a break during team practice at the Forum Monday in preparation for Tuesday night's second game of the Stanley Cup finals. Bowman is using Gainey to try and keep Philadelphia Flyers high-scoring Reggie Leach in check. (CP PHOTO) 1976 (stf-DMB)