Jocelyn Thibault made the most of a rare opportunity to start for the Buffalo Sabres. Thibault made 24 saves for his first shutout for Buffalo, and Jaroslav Spacek and Thomas Vanek scored second-period goals to lead the Sabres to a 3-0 win over the Montreal Canadiens on Saturday night. Thibault, who played for Montreal from 1995-98, recorded his 38th career shutout — his first since March 14 for…