Usuthu claimed their sixth consecutive victory in all competitions after defeating KwaZulu-Natal rivals Arrows at the Princess Magogo Stadium courtesy of another Thandolwenkosi Ngwenya strike.
The recent results have sparked talks of mounting a possible title challenge for the Durban-based outfit with head coach Zwane praising his players form after recent results which sees them occupying third spot on the Betway Premiership table.
"What was key for us was that we're playing at home, we needed to get maximum points, so credit to the players's hard-fought win and the continuity we left off in terms of grinding results at home," said Zwane after beating Abafana Bes'thende.
"Sometimes we play a scrappy game, but as long as we keep on winning, it's okay because we are a team that's growing.
"We will find ways to make sure that our players don't get distracted by the outside noise to remain focused on the job at hand."
AmaZulu will turn their attention to Friday's Carling Knockout quarterfinal encounter away to Stellenbosch following the postponement of their league fixture against Kaizer Chiefs due to local government elections.
Mamelodi Sundowns head coach Miguel Cardoso praised his team for grinding out a 1-0 win in their Carling Knockout Cup quarter-finals clash with Golden Arrows on Tuesday.
Brandon Truter says Siviwe Mpengesi's words of encouragement inspired the team to their 2-0 Betway Premiership win over Stellenbosch.
Iqraam Rayners netted the only goal of the game as Mamelodi Sundowns booked their place in the semi-finals of the Carling Knockout Cup after beating Golden Arrows 1-0 at Loftus on Tuesday.
The Betway Premiership fixture between Stellenbosch and Richards Bay has been postponed due to local elections
