Middleton is a former cross-code wing/full back having played rugby league for Castleford (Heritage № 693) as well as rugby union for a number of clubs including Leeds Tykes, where he took up a coaching role following his retirement from playing.
Coaching career
He spent 11 years at Leeds holding various coaching roles including defence, skills and eventually assistant coach, and helped them to the Premiership twice as well as achieve Heineken Cup qualification for the first time in their history. He joined the RFU in 2014 and led the England Women Sevens on the World Series, as well as taking a role as assistant coach for the 2014 Rugby World Cup in France where England were crowned champions. In 2015, he became Red Roses head coach initially in a joint role with sevens. He was appointed head coach of Team GB Women Sevens where the team finished fourth at the Rio 2016 Summer Olympics, the sport’s Olympic debut, before focusing fully on XVs on his return. Since taking the role, Middleton has guided England to three Six Nations Grand Slams in 2017, 2019 and 2020, the 2021 Six Nations title and helped the team reach a fifth straight World Cup final in 2017 when they lost 41-32.