 Nyora kuenderera mberi kweiyi ndima - Muzhizha ra2012, Crawford akatumidzwa zita rekuti murairidzi mutsva weZSC Lions yeSwiss National League A, mushure mekusaina kondirakiti yemakore maviri. Akakunda NLA championship neLions mumwaka wa 2013-14. Muna Kurume 2014, akasaina chibvumirano chemakore maviri. Muchirimo cha2015, Crawford aive nebasa rekunyengetedza anodikanwa dhizaini tarisiro Auston Matthews kusaina uye kutamba neShumba yemwaka wa2015-16. Crawford akashamiswa nekutamba kwaMatthews panguva ye2015 U18 Championshipsuye vakaonana nemhuri yaMatthews nomumiririri wavo pamusoro pechibvumirano. Crawford aizotungamirira Shumba kukunda 2016 Swiss Cup. Crawford akasiya ZSC pakazopera chibvumirano chake muna 2016. Kunze kwekukunda mukwikwidzi weSwitzerland wa2014 uye 2016 Swiss Cup, akatungamirawo Shumba kumatatu eNLA mwaka wenguva dzose mukwikwidzi mazita, muna 2013 14, 2014 15 uye 2015 16. 