Date of Birth: 
About Jonathon Marsh
- Jonathon Marsh (born 17 October 1995) is a professional Australian rules footballer who plays for the St Kilda Football Club in the Australian Football League (AFL).
- He previously played for Collingwood from 2014 to 2016. Marsh played his junior football with the Augusta-Margaret River Hawks, often with older brother Harry, of the Sydney Swans, and he went to school in Margaret River and Busselton.
- He was recruited by the club with the 77th selection in the 2013 AFL draft.
- Marsh was a late pick, drafted for his attack on the ball and defensive attributes.
- He made his debut in round 19, 2015 against Carlton.
- In November 2016, he announced his retirement from AFL football to return to his home state of Western Australia.
- He was signed as a rookie by St Kilda for the 2019 AFL season during the supplemental selection period (SSP).
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