Fred McGriff Autographed Toronto Blue Jays Signed Pennant MLB Baseball HOF JSAFred McGriff Autographed Toronto Blue Jays Signed Pennant, authenticated by JSA Frederick Stanley McGriff is an American former first baseman in Major League Baseball who played for six teams from 1986 through 2004. He was one of the most consistently productive power hitters of the 1990s, posting over 80 runs batted in every year from 1988 through 2002, and became the first player since the dead ball era to lead both leagues in home runs the American