NFL: Rolando McClain

FILE- In this May 22, 2012, file photo, then Oakland Raiders linebacker Rolando McClain stretches during NFL football practice in Alameda, Calif. McClain has told the Baltimore Ravens that he's retiring from the NFL. The 23-year-old McClain played three seasons with the Raiders before signing a one-year contract with Baltimore as a free agent on April 12. (AP Photo/Marcio Jose Sanchez, File)