Getty Cleveland Browns rookie receiver KC Concepcion has signed his deal. The Cleveland Browns have officially locked up their final unsigned rookie. First-round wide receiver KC Concepcion signed his four-year rookie contract on Tuesday . The deal is worth roughly $20 million and includes a fifth-year team option. Concepcion was the last of Cleveland’s 10 draft picks to sign , completing the team’s rookie class before training camp. The Browns selected Concepcion with the No. 24 overall pick .