Mwanza akaita makwikwi akati wandei nechikwata chenyika yeZambia, achiwanzotumidzwa zita mumutsara wekutanga nemurairidzi Samuel 'Zoom' Ndhlovu, pamubhadharo wevashandi vekuEurope. Mwanza akazvibata pachake mukambani yakadaro uye akatamba pa1990
uye 1992 African Cup of Nations finals. Akamirirawo Zambia kumaOlympics eZhizha ra1988 muSeoul.