KCB stayed top of the Kenya Cup with a 27-15 away to hosts Stanbic Mwamba at the Railway Club on Saturday 20 January 2018.
Mwamba were first on the scoreboard as George Mutuku drilled in a penalty but the bankers quickly took the lead, scoring an unconverted try from the rolling maul.
Mwamba would take the lead as they landed a try but the conversion was short. KCB were quick on to retaliate as Peter Kilonzo went over to see the bankers go 10-8 up, a lead they held into the interval.
The second half saw KCB dominate as they landed three tries through Elly Mukaisi, Martin Owilla and Nelson Nyandat, Elphas Otieno adding a solitary conversion before Mwamba scored a converted consolation try at the death.