Steve Anthony Cook was born on 19 April, 1991 in Hastings, East Sussex. He is an English professional footballer who plays as a central defender for Bournemouth, although he can also play at right-back.[citation needed.
Cook made his first team debut for Brighton & Hove Albion during the Football League Cup third round victory over Manchester City on 24 September 2008. He made his second substitute appearance for Brighton during a 2–1 FA Cup first round replay defeat against Hartlepool United on 18 November 2008.
On 23 December, 2008, Steve joined Conference South team Havant & Waterlooville on loan for six-weeks, at the expiration of the loan, he once again found himself involved in the Brighton first team, making his third substitute appearance for the club during the Football League Trophy Southern Final penalty shoot-out defeat to Luton Town.
Cook made his first league appearance for Brighton during a 4–0 home defeat to Crewe Alexandra on 28 February 2009.
He, along with fellow youth players Steve Brinkhurst and Josh Pelling, signed professional contracts with Brighton on 7 May 2009 and in November that same year, while on loan with Conference South team Havant & Waterlooville he gain first-team match experience. He was sent off on his debut in a 1–1 draw with Lewes in the Third Qualifying Round of the FA Trophy on 21 November 2009.
On 16 September 2010, Cook once again went on loan, this time to Conference National side Eastbourne Borough where he spent a month. After making seven appearances and scoring once, Eastbourne were keen to extend the loan deal for the player, but were however unsuccessful as he later joined Conference National rivals Mansfield Town on a loan deal lasting until January 2011. Brighton manager Gus Poyet later revealed that he felt Steve would add another ingredient to his footballing education by spending time away from Sussex and that it would force him to “grow up”.
Cook made his first appearance for Brighton in over two-and-a-half years during the League Cup game against Liverpool in September 2011 and in the next month of same year, he joined League One side Bournemouth on loan. On 3 January 2012, Steve re-joined Bournemouth permanently for £150,000 signing a three-and-a-half-year deal.
On 4 December 2016, he scored to equalize and then created the winning goal as Bournemouth completed one of the comebacks of the season to beat Liverpool for the first time in their history 4–3 in a sensational Premier League game and till date he excel in his career as a footballer.