However which was initially thought of as a season-ending injury, he quickly progressed through the rest and rehab stages and later made his comeback against the Bradford Bulls.Between 2013 and 2015 Cox played for Newcastle Thunder, Halifax and the Huddersfield Giants on loan.
After signed and making 18 appearances for the Warrington Wolves, again in the Super League.
Cox penned a one-year deal with Championship outfit Sheffield Eagles in January 2017.
After playing 9 games in 2017 for the Sheffield Eagles, Cox joined League 1 side York City Knights on loan until the end of the season.