Ravens' Dobbins still motivated after strong rookie season

Baltimore Ravens running back J.K. Dobbins works out during the team's NFL football training, Tuesday, June 15, 2021, in Owings Mills, Md. (AP Photo/Julio Cortez)

Baltimore Ravens running back J.K. Dobbins works out during the team's NFL football training, Tuesday, June 15, 2021, in Owings Mills, Md. (AP Photo/Julio Cortez)

Baltimore Ravens running back J.K. Dobbins works out during the team's NFL football training, Tuesday, June 15, 2021, in Owings Mills, Md. (AP Photo/Julio Cortez)