Updated

Back in March, the Baltimore Ravens reportedly had an agreement in place with Trent Richardson that the team would sign the running back if he reached a "physical benchmark."

On Monday, the Ravens announced that the signing was official.

Richardson, 25, was the No. 3 overall pick by the Browns in 2012 but has already burned through three NFL teams. He was traded to the Colts during the 2013 season and averaged just 3.1 yards per carry in a year and a half with Indianapolis before he was released last offseason. He spent 2015 training camp with the Raiders but didn't make the final roster.

In three NFL seasons, Richardson has rushed for 2,032 yards and 17 touchdowns but has averaged just 3.3 yards per carry.