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Was Jack Youngblood in any movies?
Jack Youngblood appeared in two television movies: C.A.T. Squad in 1986 and C.A.T. Squad: Python Wolf in 1988.
Did Jack Youngblood appear on any television series?
Jack Youngblood appeared on A Football Life, The Jim Rome Show, ESPN SportsCentury and Sunday NFL Countdown.

Question: Was he in the NFL ?
Self-contained rewrite: Was Jack Youngblood in the NFL?