Oakland Raiders cornerback Isaiah Johnson (31) waits to drill during the NFL team’s joint train …

Oakland Raiders cornerback Isaiah Johnson (31) waits to drill during the NFL team's joint train ...

Oakland Raiders cornerback Isaiah Johnson (31) waits to drill during the NFL team’s joint training camp practice against the Los Angeles Rams in Napa, Calif., Thursday, Aug. 8, 2019. (Heidi Fang /Las Vegas Review-Journal) @HeidiFang