, NL players have won the award 27 times (including one award shared by two players), and American League (AL) players have won 30 times. Baltimore Orioles players have won the most awards for a single franchise (with six); players from the Cincinnati Reds, Los Angeles Dodgers and San Francisco Giants are tied for the most in the NL with five each. Five players have won the award twice: Willie Mays (1963, 1968), Steve Garvey (1974, 1978), Gary Carter (1981, 1984), Cal Ripken, Jr. (1991, 2001), and Mike Trout (2014, 2015, becoming the only player to win the award in back-to-back years). The award has been shared by multiple players once; Bill Madlock and Jon Matlack shared the award in 1975. Two players have won the award for a game in which their league lost: Brooks Robinson in 1966 and Carl Yastrzemski in 1970. One pair of awardees were father and son (Ken Griffey Sr. and Ken Griffey Jr.), and another were brothers (Roberto Alomar and Sandy Alomar, Jr.). Three players have won the MVP award at a game played in their home ballpark (Sandy Alomar, Jr. in 1997, Pedro Martínez in 1999, and Shane Bieber in 2019).