Bob Gibson was a very intimidating pitcher

Bob Gibson, Feared Flamethrower for the Cardinals, Dies at 84 - The New York Times

Cardinals legend Bob Gibson dies. Here's a look at his amazing career

Most Intimidating Pitchers Of All Time - Sports Illustrated

Bob Gibson - Most Intimidating Pitcher Ever?, By PitchingNinja

MLB Power Rankings: Bob Gibson and the Most Intimidating Pitcher from Each Team, News, Scores, Highlights, Stats, and Rumors

The Incredible Mr. Gibson - BallNine

Intimidation on the Mound

Obituary: Bob Gibson (1935-2020) – RIP Baseball

Uncle Charlie, Opinion

MLB Power Rankings: Bob Gibson and the Most Intimidating Pitcher from Each Team, News, Scores, Highlights, Stats, and Rumors

Gibson, Bob Baseball Hall of Fame