NHL star Bob Probert, one half of the 'Bruise Brothers’, was widely considered one of the toughest and most violent ice hockey players of all time. His role as the hard-hitting enforcer of the Detroit Red Wings and Chicago Blackhawks, as well as his hard-living ways and death at the age of 45, is the subject of a new documentary (trailer above). Tough Guy is directed by Geordie Day, who previously co-directed Goalie, a film on former NHL goaltender Clint Malarchuk and…