| Walker, 23, was taken to a hospital in Miami, where he is in 
				critical condition.
 "This is devastating news," Ravens coach John Harbaugh said in a 
				statement. "Our prayers and hopes are with Tray and his family 
				tonight."
 
 According to the Miami-Dade police department, Walker was riding 
				a dirt bike westbound when he collided with a car heading 
				southbound.
 
 Walker, who grew up in Miami, appeared in eight games for the 
				Ravens, mostly on special teams, during his rookie campaign last 
				season.
 
 Several Ravens team mates have tweeted their support and 
				encouragement for Walker.
 
 (Writing by Jahmal Corner in Los Angeles; Editing by John 
				O'Brien)
 
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