#8: The 2011 Boston Red Sox Suffered One of Baseball’s Worst Collapses
The 2011 Boston Red Sox looked unstoppable after adding Adrian Gonzalez and Carl Crawford to an already loaded lineup during baseball’s high-spending era. Boston held a huge September lead in the playoff race before completely unraveling. Clubhouse problems, poor pitching, and a historic collapse kept the Red Sox out of the postseason.

