Updated

The Buffalo Sabres announced on Tuesday that former Colorado head coach Joe Sacco has been named an assistant on Ron Rolston's staff.

The 44-year-old Massachusetts native was let go from the Avalanche on April 28, after compiling a 130-134-30 record in four full seasons behind the bench.

Sacco joins former NHL defenseman Teppo Numminen as assistants to Rolston, who had his interim tag upgraded to head coach on May 7.