KCB last weekend suffered an upset after going down 27-22 against Nondescript RFC in a thrilling Kenya Cup match played at the Lions Den in Ruaraka.
This was the first defeat for KCB RFC since winning the league unbeaten last season.
The game saw the return to action of some of KCB top brass who have been away with the national team.
In other news, Impala Saracens continued their unbeaten run in the Saturday's early kick-off after beating Mean Machine 22-19.
The two sides tied 19-19 after Brian Marube's converted try.
Winger Oongo was Impala's saviour in the denying minutes when he scored a last-minute penalty to end the game 19:22 in favour of Impala.
Kenya Cup FT scores
Mwamba 13 - Nondies 12
Machine 19 - Impala 22
KCB 22 - Quins 13
Nakuru 42 - Blakblad 22
Oilers 28 - Homeboyz 31
Strathmore 13 - Kabras 62
All the matches are being broadcast live on Bamba Sports Channel.