he's an injury replacement. the pro bowl version of their returner was out with a knee injury.
"This guy's walking down the street when he falls in a hole.
"A doctor passes by and the guy shouts 'Hey you. Can you help me?' The doctor writes a prescription, throws it down in the hole.
"Then a priest comes along and the guy shouts up. The priest writes out a prayer, throws it down in the hole.
"Then a friend walks by. The friend jumps in the hole. Our guy says, 'Are you stupid? Now we're both down here.' The friend says, 'Yeah, but I've been down here before and I know the way out.'"