[1] Jonas, along with former teammate John Butcher, made his debut in round 21, against Hawthorn where Port Adelaide were defeated by 165 points.

[2] To date, it remains the worst defeat suffered by any player in his debut match in VFL/AFL history.

[4] After his suspension expired, Jonas missed the rest of the season due to a hamstring injury.

[5][6] Jonas was appointed co-captain alongside teammate Ollie Wines in the 2019 season.

The following year he assumed sole responsibility for the captaincy, with Wines made vice-captain.