Originally drafted by the Minnesota Twins in 1969, he spent his entire major league career with the San Francisco Giants.

He was a backup throughout his eight-year major league career, which spanned the years 1973 and 1975 through 1981.

[2][3] In the 1996 film The Fan, Sadek served as Robert De Niro's body double in scenes where DeNiro's character was throwing a baseball.

[4] Sadek died on January 20, 2021, in San Andreas, California, at the age of 74.

This biographical article relating to an American baseball catcher born in the 1940s is a stub.