Dion Jordan suspended for 2015 season for substance abuse violation http://www.sbnation.com/2015/4/28/8509015/dion-jordan-suspension-dolphins-substance-abuse-violation

Panthers' Alexander banned 10 games for doping http://www.baltimoresun.com/sports/chi-panthers-alexander-banned-10-games-for-doping-20141001,0,6462573.story

Broncos receiver Welker gets four-game doping ban http://www.reuters.com/article/2014/09/03/us-nfl-broncos-welker-idUSKBN0GY0AD20140903

Dolphins' Jordan banned four games for doping http://www.reuters.com/article/2014/07/03/us-nfl-dolphins-jordan-idUSKBN0F82H720140703

Colts' Mathis banned four games for doping violation http://www.reuters.com/article/2014/05/16/us-nfl-colts-mathis-idUSKBN0DW1SG20140516