David Lawrence McKay (born March 14, 1950) is a Canadian former Major League Baseball player and a longtime coach at the MLB level, currently the first base coach for the Arizona Diamondbacks of Major League Baseball (MLB). As an active player, he was an infielder for the Minnesota Twins, Toronto Blue Jays and the Oakland Athletics. He is the father of former catcher Cody McKay. He is a member of the Canadian Baseball Hall of Fame, elected in the Class of 2001.He was inducted into the Columbia Basin College Hall of Fame in January 2012.