Clay Sigg is a national pastime historian. A member of the Society for American Baseball Research (SABR) and the American Baseball Coaches Association (ABCA), he is an inductee into the University of California at Davis Baseball Hall of Fame as a centerfielder. A ballpark aficionado, Sigg has viewed games in all 30 current major league ballparks as well as 11 past big-league stadiums. He lives in Granite Bay, California with his wife Sandra.