North Hobart veteran Oliver Di Venuto will be unavailable until round 20 after unsuccessfully challenging a three-week suspension at the TSL tribunal.
The Demons life member was initially offered a three-match suspension, reduced to two with an early guilty plea, after a sickening clash with under-25 state captain Josh McGuinness in last weekend's loss at Lauderdale.
Both players lay motionless on the ground after the incident.
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The match review panel upheld its ruling of the bump as careless, high impact and high contact.
Di Venuto missed three matches earlier in the season after entering an early guilty plea for an intentional head-high, high-impact strike to Lauderdale utility Edward Trupp.
The 150-gamer also escaped with a low-level reprimand after another early guilty plea for striking Launceston's Ethan Conway in round three.
Di Venuto played in North Hobart's 2003 SFL flag under Brendon Bolton, and is the second cousin of former Tasmanian cricket player Michael.
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