Who wins?
Lakers-Celtics vs Yankees-Red Sox
Lakers-Celtics wins 93% to 7%. 28 more put them in the same row. From Famous Sports Rivalries Tier List. Pick a side.
random_penguin_69 on Lakers-Celtics: the most championships between two franchises in any sport
chunky_wizard on Yankees-Red Sox: the 2004 ALCS and A Rod vs Varitek, peak hatred
Famous Sports Rivalries Tier List: the full ranking