The original Warchief of the ill fated invasion force into the Empire, Marth was deposed as the Big Boss by 'One Eye' Whittaker and forced into submission by the rest of the warband turned Blood Bowl team.
Marth hides his festering hatred for the Gitz coach but hides it well as he bides his time for that perfect moment to take back what he feels is rightfully his... LEADERSHIP! And with his recent increase in upper body strength (most likely from lugging 'One Eye' around on his golden throne!", maybe the attempted coup will happen sooner rather than later...