Schefter, Adam. "Source: McCoy nearly recovered." ESPN. NFL. Updated December 18, 2011. http://espn.go.com/nfl/story/_/id/7365415/cleveland-browns-colt-mccoy-nearly-ok-concussion-source-says
Wilson, Brad. "NFL's suspension of Pittsburgh's James Harrison shows teeth in new rules limiting hits, and more from the NFL for Week 15." The Express Times. December 18, 2011. http://tinyurl.com/6r3l7tb.
Withers, Tom. "Holmgren: Browns did not check McCoy on sideline." Chronc.Com. Sports. Updated December 15, 2011. http://tinyurl.com/cksgayh.
National Football League. "2011 Official Playing Rules and Casebook of the National Football League." 2011. http://tinyurl.com/cq7phe3.
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Last updated December 19, 2011