John Warren, a London native, played his minor hockey for the London Jr Knights. Here he played AAA all the way up from Minor Atom to Minor Midget. In the 2013 Priority Selection Draft he was chosen by the London Knights in the 13th round. In the 2013/14 hockey season John had 30G and 30A in 47 games between the Lambton Shore Predators and the St.Thomas Stars as a 16 year old in Jr B. The following season, despite hockey scholarship options, he signed and played for the OHL London Knights. Last season John was part of the London Nationals Western Conference championship team that lost in the finals of the Sutherland Cup. He is currently playing in the QMJHL for the Saint John SeaDogs and taking classes part time at the University of New Brunswick.