The Crows announced today that the 36-year-old would join the club where he started his AFL playing career.
Mattner played 98 games for the Crows from 2002-2007 before joining Sydney where he became a member of the Swans’ 2012 premiership team. He finished his playing career in 2013, with 222 games to his name.
As an SANFL coach, he guided Sturt to back-to-back premierships in 2016 and 2017. His team was eliminated by North Adelaide in their match at Adelaide Oval yesterday.
Crows football boss Brett Burton said Mattner knows what it takes to achieve “the ultimate success”.
“Not only is he a quality person but he has a proven record of helping young and experienced players alike improve their games.
“His positive influence at Sturt stretched beyond the League side to the Reserves and juniors, and we look forward to him joining our coaching department.”
While Adelaide is still finalising its coaching panel, assistant Ben Hart has committed to the club for 2019.
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