Tuhia he haere tonu mo tenei waahanga - I takaro a Yawney mo nga Saskatoon J's o te Saskatchewan Junior Hockey League (SJHL), ana ko nga Saskatoon Blades o te Western Hockey League (WHL). I tohua a Yawney e te Chicago Blackhawks i te 1984 NHL Entry Draft
, te rauna tuatoru, te 45 o ngā kaitākaro katoa. Whai muri i tana takaro ki te kapa hockey a Kanata, ka takaro a Yawney i te NHL mo nga Blackhawks, Calgary Flames, me St. Louis Blues.