Real Madrid vs. Barcelona (Soccer) vs Los Angeles Lakers vs. Boston Celtics (Basketball): Fans pick Los Angeles Lakers vs. Boston Celtics (Basketball) in the Greatest Sports Rivalries Battle

Greatest Sports Rivalries of All Time

Real Madrid vs. Barcelona (Soccer) or Los Angeles Lakers vs. Boston Celtics (Basketball)

Pick Your Favorite

REAL MADRID VS. BARCELONA (SOCCER)

LOS ANGELES LAKERS VS. BOSTON CELTICS (BASKETBALL)