Los Angeles Chargers receiver Keenan Allen told ESPN on Thursday that ... He has a large bump on his right shoulder from an AC sprain in 2013 that he never had surgically repaired.

LONDON -- Keenan Allen was frustrated ... and-goal from the Jaguars' 9, and Allen ran a post route over the middle. Before he turned his head over his left shoulder, the ball was in the air.

But the rest of the NFL world knows him as Keenan ... Allen still feels like he’s got a lot to still prove. “Absolutely. Man I still feel like I’ve got a chip on my shoulder.

It was third-and-goal from the Jaguars' 9, and Allen ran a post route over the middle. Before he turned his head over his left shoulder ... that play other than Keenan," coach Matt Eberflus ...