Pedro Martinez reveals how he got crazy movement on pitches

Pitchers don't need helmets, they need to finish their delivery in a good fielding position, a la Greg Maddux. : r/baseball

Pitching inside with Pedro Martinez

Craig Kimbrel - Wikipedia

Clickhole] Speeding Up The Game: The MLB Will No Longer Allow Pitchers To Deliver Stirring Monologues Between Pitches : r/baseball

King Felix — and his masterful changeup — gets the royal treatment

Martinez Pitches Memoir, For 2014 Release

Red Sox take batting practice to a futuristic level with 'robot pitcher' replica of the opponent - The Boston Globe

Hall of Famer Pedro Martinez threw three ridiculous Hall of Fame pitches

Pitching Ninja's 5 Filthiest Pitches: Seth Lugo buckles knees with his curve