James Francis Weaver (born October 10, 1959) is an American former professional baseball outfielder for the Detroit Tigers (1985), Seattle Mariners (1987), and San Francisco Giants (1989) of Major League Baseball (MLB).
Weaver was born in Kingston, New York but moved to Holmes Beach, Florida with his parents in 1960. He attended Cardinal Mooney High School in Sarasota, Florida and played college baseball at Manatee Junior College and Florida State University.