Seconds later , Spence landed an uppercut -- hook combination which left Bundu slumped on the canvas unconscious , in his first knockout loss .
In round six , Bundu was floored by a hard uppercut , but this was incorrectly deemed a push by the referee .
Seconds later , Spence landed an uppercut -- hook combination which left Bundu slumped on the canvas unconscious , in Bundu 's first knockout loss .
In round six , Bundu was floored by a hard uppercut , but this was incorrectly deemed a push by the referee .