HBO 'Hard Knocks' 2019: Best Raiders Storylines, Moments, Reaction for Episode 4

8:20pm PDT - August 27th, 2019    penn state football - Bleacher Report

"Knock on wood if you're with me." Head coach Jon Gruden 's mantra has permeated Oakland Raiders training camp as his team prepares for the 2019 season in front of HBO's cameras...