1990—92: That championship look. Marshall changed back to a white helmet with twin green stripes over top and a simple square-serif block "M" logo. The Herd opened its new stadium in 1991 and finished as National I-AA runner-up to Youngstown State. Marshall struck gold in 1992, winning the title outright in a rematch with the Penguins. In 1991, the first self-contained inflation helmet was available.