Just in: What Happened to Patrick Mahomes? Breaking Down Why Gardner Minshew II Is Playing for Chiefs in Week 7 vs. Raiders…. The Kansas City Chiefs' Week 7 victory over the AFC West rival Las Vegas Raiders ended with an unusual sight: backup quarterback Gardner Minshew II taking over the offense. However, the reason for this highly-publicized switch was not due to injury or poor performance, but a clear case of pure, unadulterated dominance and a desire to rub salt in the Raiders' wounds. See M