[3] He began to establish himself in the team during the 2011–12 season, and scored his first goal for the club in an away match against Leeds United on 14 April 2012.

[4] He scored his second goal for the club on 14 August 2012, helping Peterborough to a 4–0 win against Southend United in the first round of the League Cup.

[5] Newell picked up the Peterborough United FC, BBC radio Cambridgeshire and away supporters player of the year awards for the 2014–15 season.

After four years at the club, which included a Wembley play-off final win, he left at the end of the 2018–19 season.

[8] Newell initially struggled playing in a wide-left position, but his form improved after he was moved into a central midfield role.