Born in Leeds,[1] Sellars, a midfielder, began his youth career at Middlesbrough and Rochdale,[1] before playing professionally in Portugal for Fão and in Iceland for Höttur.
[14][15] The club's CEO Ryan Sparks said that Trueman and Sellars had the board's full support whilst the search for a permanent manager was ongoing.
[21][22][23] Sellars later spoke about being in charge for this first transfer window in January 2021,[24] telling players who might have lost their place in the first-team as a result of new signings to continue training and working hard.
[25] In February 2021 Bradford City CEO Ryan Sparks said that Trueman and Sellars were happy with their 'interim' status and were not pushing to be made permanent managers.
[38] In February 2021 Sellars said that he is influenced by foreign coaching styles, including the Italian football he watched as a child and the time he spent as a player in Portugal and Iceland.