The California Seals chose him 75th overall in the 1974 NHL Amateur Draft while the San Diego Mariners picked him 36th overall in the 1974 WHA Amateur Draft. Warden chose the Seals and played for the Salt Lake Golden Eagles from 1976 to 1978.
In 1982 Warden made a three-year comeback in the Atlantic Coast Hockey League and was a playing assistant coach in 1983-84 and 1984-85. He retired for good in 1985.
In 2007 Warden was named to the Michigan Tech Hall of Fame.