Canada and Australia square off in 2024 Paris Olympics Group A men's basketball action on Tuesday at 7:30 a.m. ET. On Saturday, Canada defeated Greece 86-79. Meanwhile, Australia topped Spain 92-80. Canada is a 6.5-point favorite in the latest Canada vs. Greece odds, while the over/under for total points scored is 178.

Before you make any Australia vs. Canada picks or 2024 Paris Olympics basketball predictions, you need to see what SportsLine writer Matt Severance has to say. 

Severance is a well-connected writer and high-volume handicapper who has worked in the industry since 2005. Over the past three NBA seasons, Matt has returned $4,452. And over the past four college basketball seasons, Matt is up $887. Anybody following his basketball picks has seen HUGE returns! 

Severance knows that Canada's Shai Gilgeous-Alexander is one of the best players in the NBA. His playmaking skills and ball handles make him tough to defend. The 26-year-old racked up 21 points, five rebounds and seven assists in the win over Greece. Last season for the Oklahoma City Thunder, he was third in the NBA in scoring (30.1) with 5.5 rebounds and 6.2 assists per game.

But Severance also knows Australia is the fifth-ranked team in the world. They have a bunch of impactful players with guard Josh Giddey being a solid young playmaker. Giddey runs with a great pace and has good awareness on the floor. In Saturday's victory over Spain, he notched 17 points, eight rebound and eight assists.

Severance has analyzed this Australia vs. Canada matchup and he's leaning Under the total. But he also has discovered a crucial x-factor that makes one side of the spread a must-back! 

So who wins Australia vs. Canada on Saturday? And what x-factor makes one side a must-back? ... Join SportsLine right now to get Australia vs. Canada picks, all from the betting expert who has returned $4,452 over the past three NBA seasons.