What age did Randy Johnson retire?

Randy Johnson is a former Major League Baseball pitcher who spent 22 seasons in the league (1988–2009).

Randy Johnson retired at the age of 46. He announced his retirement from professional baseball on January 5, 2010.

The Mariners invited Johnson to throw out the ceremonial first pitch at Safeco Field on April 12, 2010, and he was inducted into the Mariners Hall of Fame on January 17, 2012.

He retired from baseball with 10 All-Star selections, five Cy Young Awards, the 2001 World Series championship, World Series MVP, and a perfect game at the age of 40, the oldest pitcher in major league history to do so.

Randy Johnson was inducted into the Baseball Hall of Fame in 2015, the first year he was eligible. Randy Johnson is still regarded as one of baseball’s most feared pitchers today

Johnson had an unusually long career for a pitcher, with his signature fastball-slider combination remaining effective well into his 40s.

Four of his six 300-strikeout seasons came after he turned 35. He threw Major League Baseball’s 17th perfect game on May 18, 2004, at the age of 40, and is still the oldest pitcher to do so.