Many officials previously weighted flags with BBs, but the practice was largely discontinued after a flag thrown by NFL referee Jeff Triplette struck Cleveland Browns offensive tackle Orlando Brown in the eye during a 1999 game vs. the Jacksonville Jaguars, causing a serious injury to Brown, who later attacked Triplette and threw him to the ground.
Penalty flag, a yellow cloth used by game officials in American football, lacrosse, and several other field sports to identify and sometimes mark the location of penalties that occur during regular play.
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Historically, YSU is associated with longtime coach Dwight "Dike" Beede, who, after noticing on-field confusion due to officials using whistles to signal a penalty, invented the penalty flag during a game in 1941 against now-NAIA member Oklahoma City.
During the Super Bowl XV highlight film, Humphrey was witnessed throwing a penalty flag at referee Ben Dreith after Dreith flagged Humphrey for roughing Oakland Raiders quarterback Jim Plunkett.