15 seconds is too fast. Counterpoint: Here's Ron Guidry starting his motion 5 or 6 seconds after he gets the ball back from the catcher. In the World Series. : r/baseball
New York Yankees Lose to Texas Rangers Despite Historic Home Run – NBC 5 Dallas-Fort Worth
Why is Ron Guidry not in the MLB Hall of Fame? He was one of the best of his generation in the AL for a large part of his career. - Quora
Ron Guidry Cardboard Gods
I prefer counting pitchers' actual wins to hypothetical stats like WAR
Ron Guidry - Wikipedia
Ron Guidry Serious Jammage
The best pitching seasons since 1960 - ESPN - SweetSpot- ESPN
Ex-Yankee Ron Guidry campaigns for CC Sabathia's Hall of Fame enshrinement