First-of-its-kind snocross race pits rider vs. rider in single elimination format at AMSOIL Duluth National Minneapolis – Nov. 22, 2011 – The AMSOIL Championship Snocross Series’ version of one-on-one, UFC-style tournament bracket battles, dubbed the “AMSOIL DOMINATOR®,” is just a few days away. The AMSOIL DOMINATOR® kicks off the 2011-‘12 ACSS tour Fri., Nov. 25, on Spirit Mountain in Duluth, …