Rossington made his first-class cricket debut for Middlesex against Oxford MCCU at the University Parks in 2010.

[5] Rossington scored his maiden first-class century when he made 103 not out off 57 balls against Cambridge University on 24 April 2013.

[6] In August 2016 he was part of the Northants team that beat Durham to win the Twenty20 title.

[11] England Under-19s toured Sri Lanka in the early part of 2011, with Rossington playing a single Youth Test match on the tour,[12] He scored 113, his hundred coming off 165 balls, with 12 fours and 2 sixes; he also made a stumping in the match.

[13] Rossington has also made nine Youth One Day International appearances, including four against the touring South Africa Under-19s.