Fans love it when their team signs a big-name free agent or locks up a current star, but too many times organizations pay for past accomplishment instead of future production. There are obviously some baseball superstars on this list, but unfortunately much is expected from those who have been compensated at the highest level. Here’s our look at the 10 worst contracts in major league baseball.

Each week during the season Athlon Sports looks at the best and worst baseball teams and players in the league. Here's our MLB Power Rankings and Players of the Week for Sept. 3, 2012.

Each week during the season Athlon Sports looks at the best and worst baseball teams and players in the league. Here's our MLB Power Rankings and Players of the Week for August 27, 2012.

 1. Nationals — Is there some friction among management?

Each week during the season Athlon Sports looks at the best and worst baseball teams and players in the league. Here's our MLB Power Rankings and Players of the Week for August 20, 2012.

 1. Nationals — Opponents are batting .210 with runners in scoring position.

Each week during the season Athlon Sports looks at the best and worst baseball teams and players in the league. Here's our MLB Power Rankings and Players of the Week for August 13, 2012.

Each week during the season Athlon Sports looks at the best and worst baseball teams and players in the league. Here's our MLB Power Rankings and Players of the Week for August 6, 2012.

 1. Reds — Aroldis Chapman toughest pitcher in majors.

Each week during the season Athlon Sports looks at the best and worst baseball teams and players in the league. Here's our MLB Power Rankings and Players of the Week for July 30, 2012.

  1. Reds—Everything falling into place in Cincinnati.

Each week during the season Athlon Sports looks at the best and worst baseball teams in the league. Here's our MLB Power Rankings for July 23, 2012.

  1. Rangers—Still the scariest team in the American League.