Cosmo Dematteo comes to the Alabama Hammers via the Georgia Fire of the PIFL where he was head coach for the 2014 season. In 2013, he was head coach of the Knoxville Nighthawks, which played in the PIFL, but folded after the 2013 season. In 2012, he was defensive coordinator for the Georgia Force of the Arena Football League.
During the 2010 and 2011 seasons, Dematteo was wide receivers coach for the Toronto Argonauts of the Canadian Football League. The Winchester, Tenn. native is no stranger to the Huntsville area as for two seasons he was the defensive coordinator for the Tennessee Valley Vipers, an Arena Football2 League team based in Huntsville. In 2008, the Vipers won the AF2 Championship while in 2009 the squad lost in the playoffs in an attempt to defend its AF2 title.
Dematteo played collegiately at UT-Chattanooga, where he graduated in 2001 with a degree in Psychology. As a player for the Mocs, he was a two-time I-AA All-American wide receiver and still holds the NCAA Division I-AA record for most receiving touchdowns in one game with six.
He played five seasons for Arena Football teams (2002-2006) earning AF2 MVP in 2002 and Iron Man of the Year in the AFL in 2003. He also played in the NFL Europe League in 2002 for the Barcelona Dragons.