Former Dallas Cowboy Marion Barber Retires

Former Dallas Cowboy running back Marion Barber announced his retirement Friday.

The 28-year-old Barber is a seven-year veteran who played six seasons with the Cowboys before signing a two-year contract last August with Chicago that included a signing bonus of $500,000 and base salaries of $2 million and $1.9 million for the 2011 and 2012 seasons, in addition to a $100,000 workout bonus.

"I want to thank everyone who gave me the opportunity to play, and I'm very thankful to have had the chance to suit up for two of the NFL's most storied organizations," Barber said via the team's official website. "I want to thank everyone who helped me become a better player. I owe a lot to a lot of coaches, and am also very grateful to the owners and organizations I played for. Last but not least, I want to thank the fans for the support and inspiration they gave me."

Barbers decision came a day after the Bears announced it had agreed to terms with former Oakland Raiders running back Michael Bush, who signed a four-year contract worth $14 million, including $7 million guaranteed.