Editor's note: NESN.com is teaming up with WhatIfSports.com to crown the greatest Red Sox team of all time with the "Red Sox Showdown for the Ages." For more information on the 16-team tournament, click here.
In what was easily the biggest upset in the first round of the "Red Sox Showdown for the Ages," the 1999 Red Sox beat the 2004 team. The Pedro Martinez-led '99 squad sent the No. 1 seed packing.
Would the 1999 Red Sox beat the 2004 Red Sox in a seven-game series? Vote below.
Would the 1999 Red Sox beat the 2004 Red Sox?survey software
