Baltimore Ravens head coach John Harbaugh wears a face mask to protect against COVID-19 as he watches his team warm up during an NFL football camp practice, Monday, Aug. 17, 2020, in Owings Mills, Md. (AP Photo/Julio Cortez)

Baltimore Ravens defensive end Calais Campbell adjusts his jersey before warming up during an NFL football camp practice, Monday, Aug. 17, 2020, in Owings Mills, Md. (AP Photo/Julio Cortez)

Baltimore Ravens quarterback Lamar Jackson works out during an NFL football camp practice, Monday, Aug. 17, 2020, in Owings Mills, Md. (AP Photo/Julio Cortez)

Baltimore Ravens head coach John Harbaugh wears a face mask to protect against COVID-19 as he encourages his team warming up during an NFL football camp practice, Monday, Aug. 17, 2020, in Owings Mills, Md. (AP Photo/Julio Cortez)

Baltimore Ravens quarterback Lamar Jackson, right, adjusts the helmet of running back Mark Ingram II during an NFL football camp practice, Monday, Aug. 17, 2020, in Owings Mills, Md. (AP Photo/Julio Cortez)