Porter has spent the previous three seasons with the Colorado Avalanche. Prior to his trade to the Avalanche in 2009-10, Porter played with Phoenix for two seasons, spending time with their AHL affiliate, the San Antonio Rampage, as well. Through 163 NHL games played, Porter has notched 45 points and 48 PIM. The Northville, Mich. native was the recipient of the 2007-08 Hobey Baker award while playing at the University of Michigan.
Mancari returns to the Sabres after a one-year stint with the Vancouver Cancks in 2011-12. During his season in Vancouver, Mancari played in six games with the Canucks and 69 games with their AHL club, the Chicago Wolves. Through his 69 games with the Wolves, Mancari tallied 58 points and 40 PIM.
Leggio set career-highs in 54 games for Rochester last season, compiling a 28-24-2 record with a 2.63 goals-against average. Leggio led the AHL in saves (1721) and was named the team's Most Valuable Player.