Everything You Need to Know About Toyota's Brake Issues in Iowa

Saturday in Iowa saw a number of concerns around brakes in the Toyota camp. As the dominant manufacture in the Cup Series this year, is there a performance advantage to be gained in the brakes? What might Toyota be doing to gain such an advantage at a track like Iowa? Bozi Tatarevic 'brakes' down the technical side of what's going on for drivers like Denny Hamlin and Chase Briscoe.