KANSAS CITY, Mo. -- To become a more reliable pass receiver, Demetrius Harris practices catching throws from Kansas City Chiefs tight ends coach Tom Melvin in the dark, the only illumination being the occasional flash from the strobe goggles he’s wearing.
"There are different levels," Harris said. “Level 8 is the hardest. Level 8 is a slow blink, really hard to see. I’m going up every week. I’m on Level 6. I really have to track the ball at Level 6.
“It takes real focus. That helps me dial in. You really have to when you use those glasses.