Sean David Longstaff (born 30 October 1997) is an English professional footballer who plays for Premier League club Newcastle United as a midfielder.
Longstaff began his career with the youth team of Newcastle United. He moved on loan to Scottish Premiership club Kilmarnock in January 2017, along with Callum Roberts and Freddie Woodman. He signed on loan for Blackpool in July 2017.
Longstaff impressed manager Rafa Benítez in pre-season and was rewarded with a four-year contract in November 2018. Longstaff’s first appearance for the senior team came as a substitute in a 4–0 loss to Liverpool in December 2018. Two weeks later, after getting his first start in the FA Cup, Longstaff made his full Premier League debut away at Chelsea. This was followed up by his first goal in the FA Cup replay against Blackburn Rovers before he put in a memorable performance by winning the penalty that gave Newcastle a 2–1 win over champions Manchester City in January 2019.
On 26 February 2019, Longstaff scored his first Premier League goal for Newcastle in a 2–0 win over Burnley.
In March 2019, Longstaff was ruled out for the rest of the 2018–19 season following a knee ligament injury.