You've probably never heard of William Gay, but it's time you learned about him.<br />Gay's stepfather shot his mother dead when Gay was just seven years.<br />She was killed in a horrible instance of domestic violence.<br />But Gay persevered and made it to the NFL in 2007.<br />Today, he plays cornerback for the Pittsburgh Steelers.<br />The NFL on Wednesday fined Gay $5,787 for a uniform violation after the Steelers' most recent game.<br />Gay's crime?<br />Wearing purple cleats to raise awareness about domestic violence and honor his late mother.<br />.<br />Gay's teammate, running back DeAngelo Williams, was also fined $5,787 by the NFL for a uniform violation.<br />His crime?<br />Wearing a message that read "Find the Cure" in his eye black.<br />The idea was to honor breast cancer victims and raise breast cancer awareness.