The striker's brace in the 4-1 win over AS Kaloum at Bidvest Stadium on Saturday afternoon will go a long way in silencing his critics.
Kermit Erasmus and Sifiso Myeni were also on the scoresheet as the Buccaneers recorded an emphatic 6-1 aggregate victory over the Guinean outfit.
"I've never doubted myself since joining Pirates because I've always felt like an important player here," says the soft-spoken 27-year-old.
"The team has good players so all I had to do was wait for my chance to play. I'm not doing anything different, it's just about believing in myself and being confident."
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Gabuza is also grateful for the support he has received at the club that has helped him to keep his head up.
"People at the club, our coach, my teammates, including the security guys have been telling me at training that I must just be strong because I will get my chance like now and I'm thankful to them," he adds.
Pirates' exploits in the CAF Confederation Cup will see the Carling Black Label Cup pushed to an earlier or later date as their group match later this month clashes with the beer cup.