[Dr. Sivana]

Actually, I meant the Mendoza line, after weak-hitting Mario Mendoza (whom I inexplicably confused with solid ball player Minnie Mimosa, it's been a few years). Anyway, Wikipeda explains the Mendosa line as:

This is often thought of as the offensive threshold below which a player's presence in Major League Baseball cannot be justified, regardless of his defensive abilities.

Steve Yeager was an exceptional defensive catcher for the Los Angeles Dodgers, with a weak bat for much of his career. He managed to be the starting catcher while the Dodgers went to the World Series despite a .198 batting average. He did have his moments in the playoffs, nonetheless.

[Moonman62]

Steve Yeager was an exceptional defensive catcher for the Los Angeles Dodgers, with a weak bat for much of his career. He managed to be the starting catcher while the Dodgers went to the World Series despite a .198 batting average. He did have his moments in the playoffs, nonetheless.

...

Steve Yeager is Chuck Yeager’s cousin according to Wiki. He was an excellent catcher, but he did bat .300 in the World Series, and have a career average over .300 with bases loaded. He spent 15 years in the majors.