Mushumba yari agifite amasezerano muri REG BBC kuko yari yasinye amasezerano y’imyaka itatu gusa kutishimira kuzanirwaho undi mutoza biri mu byatumye atandukana n’iyi kipe, ibyatumye atanagaragara mu Mikino ya Kamarampaka.

Uyu mugabo kandi ni umwe mu bafite uburambe muri Basketball y’u Rwanda yatangiye gutozamo mu 2022. Mushumba kandi yakunze gukorana n’Ikipe y’Igihugu y’Abagore mu byiciro bitandukanye.

APR WBBC ikomeje kwitegura imikino ya nyuma ya Rwanda Cup ndetse n’iya kamarampaka izahuramo na Groupe Scolaire Marie Reine Rwaza.

Uyu mutoza yiyongereye ku Munya-Mali Kamba Yoro Diakite iyi kipe iherutse kwibikaho.

Mushumba Charles yari amaze amezi 10 ari Umutoza wa REG BBC