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![Photo: Colin Whelan, nrlphotos.com](/siteassets/2014/03/simst-mouthguard-14032225-q.jpg?center=0.3%2C0.5&preset=hero-article-fill)
After being a back-rower who took up a role on the edge for his first three seasons at the Cowboys, Tariq Sims is now settling into a new life where he has to make most of his metres down the middle of the park and he’s called on to make more tackles in the heart of his team’s defence...