Oakland Raiders quarterback Derek Carr (4) throws a pass in front of EJ Manuel during practice at the team’s NFL football training facility in Alameda, Calif., Tuesday, May 29, 2018. (AP Photo/Jef …

Oakland Raiders quarterback Derek Carr (4) throws a pass in front of EJ Manuel during practice at the team’s NFL football training facility in Alameda, Calif., Tuesday, May 29, 2018. (AP Photo/Jeff Chiu)