University of Washington defensive back Trent McDuffie tackles Southern California’s Tyler Vaughns in the first half of a September 2019 college football game. The speedy, versatile cornerback was the Kansas City Chiefs’ top pick in last week’s National Football League Draft. With a second opening-round selection, KC also grabbed Purdue defensive end George Karlaftis. (ELAINE THOMPSON/AP FILE PHOTO)
BY DAVE SKRETTA AP Sports Writer KANSAS CITY, Mo. (AP) — The Chiefs traded up to select cornerback Trent McDuffie with the 21st pick in…