Arizona Cardinals sign WR Franky Okafor

The Arizona Cardinals signed wide receiver Franky Okafor and released wide receiver Rico Richardson on Saturday.

Okafor, 6-foot-3, 190 pounds, is a rookie free agent out of Southeastern Oklahoma State. He led the school with 841 receiving yards and eight touchdowns, and was second with 60 receptions last year as a senior.

Richardson has spent time with the Kansas City Chiefs, Houston Texans and Tennessee Titans since entering the NFL as a rookie free agent in 2013. The Cardinals signed him in June.