Mammoths add Niko Sierra to roster


Pro Indoor Football Linebacker joins Maine Mammoths

PORTLAND- Niko Sierra (6’3, 235) signs with the Maine Mammoths for his third year of arena football. Sierra spent the previous two seasons in the Indoor Football League. Last season, he played for the Nebraska Danger where he played in 10 games, landing 48 tackles, four sacks, two interceptions, one forced fumble. In 2016, Sierra played for the Cedar Rapids Titans where he played in 15 games, recorded 126 tackles, five sacks, three interceptions, and two forced fumbles.

Sierra attended college at Sacred Heart University.. As a Freshman in 2009, Sierra played in 10 games. He recorded 40 tackles and one interception. In 2010, Sierra played in 11 games. Sierra had 49 tackles and two sacks. In 2011, Sierra played in 11 games. In those 11 games, he had 57 tackles, one sack, one interceptions, and one forced fumbles. In his Senior year in 2012, Sierra had two interceptions. In his Senior year,

Sierra is a native of Longmeadow, Massachusetts and played high school football at Longmeadow High School in Longmeadow, Massachusetts. In his high school career, Sierra played football for three years, basketball for all four years, and lacrosse for all four years. He was the captain of all three sports and lead his team to a state championship for lacrosse. Sierra also lead his basketball team to a state championship and won.

The Maine Mammoths are members of the National Arena League (NAL). Founded in 2017, the Maine Mammoths will play their inaugural season in 2018 at the Cross Insurance arena in Portland, ME.  Mammoth Season Ticket Memberships are on sale now call (207) 228-1138 or visit Follow the Mammoths on Facebook at, and

The National Arena League was founded in 2016 and hosted its inaugural season in 2017 as the premier league in arena football. The National Arena League will kick off its second season in April of 2018. For more information regarding expansion opportunities or partnerships, contact Commissioner Chris Siegfried at or Expansion Chairman Jeff Bouchy at For more information about the NAL visit,,,

online stats banner
subscribe rss banner
vidswap banner