FILE - In this March 1, 2020, file photo, TCU defensive back Jeff Gladney runs a drill at the NFL football scouting combine in Indianapolis. First-round draft pick Jeff Gladney will be the latest young cornerback to be challenged by Minnesota Vikings coach Mike Zimmer, whose tough-love teaching has helped develop several solid pros at his pet position. (AP Photo/Charlie Neibergall, File)

FILE - In this July 28, 2017, file photo, Minnesota Vikings coach Mike Zimmer gestures while talking to players during NFL football training camp in Mankato, Minn. First-round draft pick Jeff Gladney will be the latest young cornerback to be challenged by Minnesota Vikings coach Mike Zimmer, whose tough-love teaching has helped develop several solid pros at his pet position. (AP Photo/Andy Clayton-King, File)