Boh began his major junior career with the Brandon Wheat Kings of the WHL in 1991, however, he was dealt to the Spokane Chiefs after only 4 games. In the off-season he was selected 261st overall by the Vancouver Canucks in the 1992 NHL Entry Draft. The following season Boh began with the Chiefs but was subsequently traded to the Medicine Hat Tigers. The 1993–94 season saw Boh start with the Tigers, before being traded again, this time to the Tri-City Americans in exchange for Marc Hussey. Following the culmination of the Americans season Boh turned professional, signing with the Columbus Chill of the ECHL who served as the Canucks secondary affiliate team.