The new Collingwood Magpie recruit didn't make a state until quite late in her career but despite this, Sinclair knew she had potential.

However, at the same time, there were doubts.

"I always thought deep down I could make it and that I had the potential to make it," she said.

"The setbacks challenged me and there were times where I wanted to give up."

The 25-year-old was a training partner for the Magpies in 2017 and last year played with the clubs Australian Netball League affiliate, Tasmanian Magpies.

Her abilities under the goal helped the Tasmanian Magpies to their maiden ANL Championship win last season with a 54-53 win of the Canberra Giants.

"So to finally be offered a contract in the Suncorp Super Netball was really exciting and I think I'm still a little bit shocked," Sinclair said. 

She joins an entirely new shooting group at the club that includes Jamaican and former Adelaide Thunderbird Shimona Nelson.