For players that died in the offseason or during the year.
the death of Sean Taylor on the redskins every team in the NFL has his number on them
The helmet is solid black with a gold central stripe and small white player numbers on the forehead. Last names were added to the jerseys in 1970, as part of a new NFL mandate resulting from the AFL-NFL merger (the AFL teams had last names on the back of their jerseys). In 1997, the team switched to rounded numbers on the jersey to match the number font (Futura Condensed) on the helmets, and a Steelers logo was added to the left side of the jersey.
A bull dog is on the back of their helmets.
Gene Upshaw, 15 year member of the Oakland Raiders, Hall Of famer died August 2008
The Broncos wear the numbers 27 and 29 on their helmets to represent the jersey numbers of two of their players who died recently. * 27 is for Darrent Williams a corner back who was killed in a drive by shooting in Jan. 07. * 29 is for Damien Nash a running back who had a heart attack and died while playing in a charity basketball game in March 07.
steelers
no
a sledgehammer
Since 2009, Rashard Mendenhall is the number one running back on the Steelers.
Erric Pegram was a Steelers running back in 1995 and 1996.
Because Washington Redskins Safety Sean Taylor was shot and killed and his number was 21. So, every team in the NFL wears that on the back of their helmets.
The M1 helmets were probably returned back to the studio's prop department .