Murphy was born in Wembley, London. Along with his twin brother, Josh, he first played football together from the age of seven, and eventually they both joined Norwich City as under-12s in 2006. It was announced on 31 March 2011 that the duo were to join the club's academy ahead of a new season. Murphy was a part of the Norwich City youth team which won the 2012–13 FA Youth Cup. He signed his first professional contract for Norwich City on 4 January 2013. In December 2013, he signed a three-year contract with the club. Murphy made his professional debut in a FA Cup match against Fulham on 4 January 2014. Murphy made his first Norwich City appearance in the 2014–15 season, where he provided an assist for his twin brother, Josh, to score in a 3–1 win over Crawley Town in the second round of the League Cup.
Loan Spells
On 7 February 2014, he joined Swindon Town on loan which began on 8 February, and lasted until 8 March 2014 Murphy made his debut for the club on 8 February 2014, when he came on as a second-half substitute for Dany N'Guessan, in a 3–2 win over Port Vale. After making six appearances, Murphy returned to Norwich City after Swindon Town delayed their decision to extend his loan spell further. On 27 March 2014, Murphy joined League Two club Southend United on loan for the remainder of the 2013–14 season. He made his Southend United debut days later, when he came on as a substitute and provided a winning goal in a 1–0 win over Torquay United. He scored his first goal for the club and provided an assist in a 3–1 win over Rochdale on 18 April 2014. He went on to make eight appearances for the club, including in the play-offs, but was unable to help the club get promoted to League One. On 3 November 2014, he joined Blackpool on loan until 2 February 2015. He scored on his debut two days later after joining the club, in a 2–2 draw against Fulham. A few weeks later, he scored again on 22 November 2014, in a 1–1 draw against Bolton Wanderers. His performances at Blackpool earned him November's Wonga Player of the Month award. The following month, Murphy caused controversy when he posted an image on social media application Snapchat with the caption "We are going to lose... Again", which mocked the club's recent league form. Murphy issued an apology via the club's official website, admitting it was an unprofessional and foolish thing to do; however, Lee Clark vowed to investigate this matter before taking action. Blackpool cut short his loan deal on 31 December. After his loan spell at Blackpool came to an end, Murphy joined League One club Scunthorpe United on a month-long loan. Two days later on 10 January 2015, he made his Scunthorpe United debut, making his first start, where he provided an assist for Tom Hopper, who also making his debut, in a 4–1 win over Walsall. After making three appearance for the club, Murphy's loan spell with Scunthorpe United came to an end. After another loan spell came to an end, Murphy joined another League One club, but this time it was Colchester United on loan until the end of the season. Murphy made his Colchester United debut on 14 March 2015, making his first start as a right wing, in a 3–2 loss against Crawley Town. Murphy then scored in the next game against Yeovil Town on 17 March 2015, which Colchester United won 2–0. Murphy scored two goals in two games in three days against Port Vale and Barnsley. The last two games of the season saw Murphy scored in a 1–1 draw against Swindon Town and then helped the club survive relegation when they beat Preston North End. On 14 August 2015, Murphy signed for Coventry City on a season-long loan deal. He had a successful full season out on loan, scoring 10 times in 42 games, with nine of those goals coming in the league.
Return to Norwich City
Murphy scored his first goal for Norwich in a 4–1 win over Blackburn Rovers on 6 August 2016. His first full season at Norwich yielded 10 goals in 40 games, including nine in the league.
Newcastle United
Murphy signed for Newcastle United for an undisclosed fee on 19 July 2017. He cited Newcastle United as his boyhood team and stated that it was his dream to represent the club. Murphy's parents were born in the local area and he has family members from Newcastle's neighbouring town Gateshead. Murphy scored his first goal for Newcastle in a 3–1 loss to Manchester City on 20 January 2018.
On 31 January 2019, Murphy joined West Brom on loan until the end of the season.
Sheffield Wednesday
On 8 August 2019, Murphy joined Sheffield Wednesday on loan until the end of the season.
International career
Murphy was called up to the England U18s in October 2012 and made his debut in a 2–0 win over Italy U18s on 24 October 2012. In November 2012, Murphy was called up by England U19s. His debut came in a 1–0 win over Finland U19s on 13 November 2012. In late 2014, Murphy was called up by England U20s after his brother Josh withdrew from the squad and made his debut in a 3–2 win over Netherlands U20s on 14 October 2014. In 2017 Jacob Murphy was called up to England U21s squad. In his first game for England U21s he scored 2 goals in a 3–0 win over Iceland U21s. Jacob Murphy scored his third goal for Englands U21s on 22 June 2017, when he came on as a substitute to score a tap in and put the U21s through to the semi finals of the 2017 UEFA European Under-21 Championship.
Personal life
The twins talked about their close bonds and being there for each other. Their parents and his younger brother lives in Downham Market and run their Arbuckles restaurant, near Downham Market. Their father, John, works as an assistant principal at Downham Market Academy. While on the pitch, Chris Hughton, manager at the time, told the twins to wear different coloured boots so that he could tell them apart.
