Samuel George Alan Edmundson (born 15 August 1997) is an English professional footballer who plays as a centre-back for EFL Championship club Middlesbrough.

[4] He was first included in a senior matchday squad on 22 August 2015, remaining an unused substitute in a 1–1 League One draw against Shrewsbury Town at Boundary Park.

[6] He made 3 appearances for Oldham during his first season in senior football, whilst also spending time on loan at Northern Premier League side Ramsbottom United.

[7] He made his first appearance of the 2016–17 season on 30 August, starting in a 4–5 home defeat against Carlisle United in an EFL Trophy group stage match.

[8] On 13 October 2017, Edmundson joined National League side AFC Fylde on a one-month loan deal along with teammate Jamie Stott.

[15] Edmundson signed for Scottish club Rangers on 21 June 2019, for an undisclosed transfer fee, where he claimed the number 4 shirt he wore at Oldham.

[20] He made his first appearance of the 2020–21 season on 17 September in a UEFA Europa League second qualifying round tie against Lincoln Red Imps in which Rangers won 5–0.

On 2 November 2020 it was announced that Edmundson and Jordan Jones had been suspended by Rangers, pending an internal investigation, for attending a party and breaking coronavirus regulations.

[24] Edmundson made 10 appearances for Derby during his loan spell, helping the club to stay in the Championship on the final day of the season, following a 3–3 draw against Sheffield Wednesday.