BEREA, Ohio -- Cleveland Browns quarterback Case Keenum has tested positive for COVID-19, potentially leaving the team without its top two quarterbacks for Saturday's game against the Las Vegas Raiders, sources told ESPN's Adam Schefter and Kimberley Martin.
Starting quarterback Baker Mayfield already tested positive for the virus earlier this week and remains on the reserve/COVID 19 list.
Nick Mullens, who was just added to the added to the active roster Thursday, is now in line to start at quarterback for the Browns. Mullens started 16 games for the San Francisco 49ers between the 2018 and 2020 seasons, but has yet to throw a pass for the Browns.