This is a list of the top 100 Major League Baseball (MLB) starting pitchers in career Jaffe Wins Above Replacement Score (JAWS). JAWS is a sabermetric stat developed by statistician Jay Jaffe to determine a player's rank at their position in relation to worthiness for election into the National Baseball Hall of Fame. Walter Johnson is the all-time leader for starting pitchers with a value of 127 JAWS. The active leaders are Justin Verlander and Clayton Kershaw with a value of 61.3 JAWS.