He was just 17 years old when first contracted by the Redbacks. He played a couple of games in 2000–01 but it was in 2005–06 that he showed his talent with maiden century of 140 against Tasmania. That was followed with an innings of 149 against New South Wales at Adelaide Oval. Borgas also played a part in their one-day campaign in which they narrowly lost the final.
On 15 October 2006, he was the hero in the last over as they beat NSW in a one day game. With 18 required off the final over, he hit three sixes as they won with two balls remaining. He finished unbeaten on 31 off 9. In January 2011, Borgas was named man of the match in the Redbacks Big Bash Grand Final victory over the NSW Blues, making 62 not out off 39 balls.
In 2012 Borgas became a freelance Twenty20 cricketer and has since played in tournaments in Sri Lanka, New Zealand, Bangladesh, Netherlands, England and Hong Kong as well as in Australia where he has signed a 3 year contract to play for the Sydney Thunder in the Big Bash League.
He also has the unique record of having represented 3 countries, having played for Scotland and Netherlands as their overseas player in the English County one day competition and also for Australia in the Hong Kong Sixes.