Trent Richardson, Cleveland Browns agree to contract terms

Trent Richardson and the Cleveland Browns have agreed to a four-year, $20.4 million contract (fully guaranteed) with a $13.6 million signing bonus, and NFL Network's Albert Breer and Ian Rapoport reported Monday, each citing a source with knowledge of the situation.

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Richardson, a running back from Alabama, is expected to make an immediate impact in the Browns' backfield as a rookie.

Richardson joins Andrew Luck and Robert Griffin III as top-three picks from the 2012 NFL Draft who have agreed to contracts within the last few days.

The Browns have yet to strike a deal with their other first-round draft pick, quarterback Brandon Weeden, who was taken No. 22 overall.