Premier League defender who joined Tottenham Hotspur in 2009 and spent a few seasons on loan before signing with Manchester City in 2017. He has also been a member of the English national team since 2011.
He entered Sheffield Union's youth system at age 7 as part of the Football Unites, Racism Divides program.
In 2012, he signed a sponsorship deal with Nike to wear their T90 Laser IV, the same kind worn by star forward Wayne Rooney.
He was born to Michael and Tracey Walker in the Sharrow area of Sheffield, England. He has sons, Roman and Riaan, with partner Annie Kilner.
He won the PFA Young Player of the Year award over then-teammate Gareth Bale in 2012.