Billy Martin gives Reggie Jackson a piggyback ride, joking around before Game 5 of the 1977 World Series. (Photo by Neil Leifer/Sports Illustrated via Getty Images) The Yankees' manager and his mercurial slugger — whose feud defined the '77 season — share a rare light moment. The next night, Jackson would hit three home runs in Game 6 against the Dodgers to earn the name "Mr. October" and seal the championship. ⚾ Martin and Jackson — the most volatile duo in baseball history? 👇️