Conversation so far:
Was Jack Youngblood in any movies?
Youngblood appeared in two television movies: C.A.T.
Squad in 1986 and C.A.T.
Squad: Python Wolf in 1988.
Did he appear on any television series?
Youngblood was a reporter and co-host for ESPN's NFL GameDay show in 1985 and 1986.
Was he in the NFL ?
CANNOTANSWER.
Was he ever on the radio?
Youngblood was a radio analyst for the Los Angeles Rams from 1987-1991, the Sacramento Surge in 1992.

Question: Did he work with any other famous ball players?
Self-contained rewrite: Besides Los Angeles Rams and Sacramento Surge, did Jack Youngblood work with any other famous ball players?