

Introduction
Sidney Raymond Kenneth Nelson (born 1 January 1996) is an English professional footballer who plays as a centre back for League Two club Tranmere Rovers.
Career
Nelson was born in Lewisham, Greater London. He first signed for Millwall at the age of eight. He was captain of their youth team, and turned professional in August 2014. He made his senior debut for them on 28 December 2014. He was praised by manager Ian Holloway as the team's "best player" in that match. Nelson stated it was a "dream" to play for the club his family supports.
On 4 January 2017, Nelson joined League Two side Newport County on loan until the end of the 2016–17 season. He made his debut on 7 January, playing the full 90 minutes in a 1–3 away league defeat at Stevenage. Nelson was part of the Newport squad that completed the 'Great Escape' with a 2–1 victory at home to Notts County on the final day of the 2016-17 season, which ensured Newport's survival in League Two.
On 21 August 2017, Nelson signed for League Two club Yeovil Town on loan until January 2018. He moved on loan to Chesterfield in January 2018.
He was offered a new contract by Millwall at the end of the 2017–18 season. He moved on loan to Swindon Town in August 2018.
In January 2019, Nelson joined League Two side Tranmere Rovers on loan until the end of the 2018–19 season.
In May 2019, it was announced that Nelson would be one of five players released by Millwall when their contracts expired.
In June 2019 he signed a two-year contract with Tranmere Rovers.
Career statistics
- As of match played 11 February 2020
| Club | Season | League | FA Cup | League Cup | Other | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| Millwall | 2014–15 | Championship | 14 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 15 | 0 |
| 2015–16 | League One | 9 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 14 | 0 | |
| 2016–17 | League One | 3 | 0 | 1 | 0 | 2 | 0 | 3 | 0 | 9 | 0 | |
| 2017–18 | Championship | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 2018–19 | Championship | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Total | 26 | 0 | 3 | 0 | 3 | 0 | 6 | 0 | 38 | 0 | ||
| Newport County (loan) | 2016–17 | League Two | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
| Yeovil Town (loan) | 2017–18 | League Two | 12 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 14 | 0 |
| Chesterfield (loan) | 2017–18 | League Two | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 1 |
| Swindon Town (loan) | 2018–19 | League Two | 20 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 24 | 0 |
| Tranmere Rovers (loan) | 2018–19 | League Two | 7 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 10 | 0 |
| Tranmere Rovers | 2019–20 | League One | 19 | 0 | 4 | 0 | 0 | 0 | 3 | 0 | 26 | 0 |
| Career total | 113 | 1 | 8 | 0 | 4 | 0 | 16 | 0 | 141 | 1 | ||
Honours
Tranmere Rovers
- EFL League Two play-offs: 2019