|Full name||Carl Marcus Christer Antonsson|
|Date of birth||8 May 1991|
|Place of birth||Unnaryd, Sweden|
|Height||1.84 m (6 ft 0 in)|
|Playing position||Striker / Left Winger|
|2017–2018||→ Blackburn Rovers (loan)||31||(7)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 11 November 2019|
Antonsson started his youth career at Unnaryds GoIF before joining Halmstads BK in 2009, making his Allsvenskan debut for Halmstad on 7 November 2010 against Djurgårdens IF. He played 71 league games for Halmstads BK and scored 11 goals.
Antonsson joined Kalmar FF in 2015. He scored 12 goals in 28 appearances in his first season at the club; his 12 goals saw him finish as the third top goalscorer in Allsvenskan. In February 2016, Antonsson extended his contract at Kalmar until 2018.
On 28 June 2016, Antonsson signed a three-year contract with English side Leeds United for an undisclosed fee. On 5 August, Antonsson was given the squad number 10 shirt for the 2016–17 season. On 7 August 2016, Antonsson made his competitive debut for the club as a second-half substitute in place of Matt Grimes, during a 3–0 defeat to Queens Park Rangers.
Antonsson scored his first goal for Leeds on 10 August in a League Cup fixture against Fleetwood Town. His second goal of the season, and his first in the league, came on 20 August in a 2–0 win against Sheffield Wednesday. On 26 October, Antonsson scored his third of the season for Leeds in their win against Norwich City in the English League Cup; a dramatic penalty shootout victory after a 2–2 draw in extra time.
Blackburn Rovers loan
On 11 August 2017, Blackburn Rovers announced the signing of Antonsson on loan for the season. On 9 September, Antonsson scored his first goal for Blackburn Rovers against Rochdale in a 0-3 victory. He went on to score another two goals in September, he found his position change with being played as a left-sided forward/winger and in November he scored five goals in as many games, going on to win the PFA Player of the Month award for League One.
On 2 January 2018, it was revealed by Manager Tony Mowbray that Antonsson had picked up an injury against Scunthorpe on 30 December, and would be ruled out for several weeks. He returned from injury on the 19 February against Bury. On 24 April, Antonsson gained automatic promotion to the Championship with Blackburn after their 1-0 win against Doncaster Rovers.
After returning to Leeds, Antonsson was told he was not in the plans of new manager Marcelo Bielsa and held negotiations of a transfer to Italian Serie B Side Brescia, now owned by previous Leeds Owner Massimo Cellino.
On 14 July 2018, Antonsson joined Allsvenskan side Malmö FF on a three year contract for an undisclosed fee from Leeds United after being signed by manager Uwe Rösler. He made his debut for the Swedish club on 21 July 2018, when he came on as a substitute in Malmö's 2-1 away league win over Örebro SK. Antonsson crowned a successful autumn with the winning goal at Beşiktaş away from home, as Malmö progressed to the knockout stages of the UEFA Europa League.
- EFL League One Player of the Month: November 2017
- As of match played 11 November 2019
|Club||Season||League||National Cup||League Cup||Continental||Other||Total|
|Blackburn Rovers (loan)||2017–18||League One||31||7||2||1||1||0||—||—||34||8|
- "Retained List 2016-17" (PDF). English Football League. Retrieved 13 June 2017.
- "Marcus Antonsson". Svenskfotboll. Retrieved 13 January 2012.
- "UNITED AGREE ANTONSSON DEAL". Leeds United. 28 June 2016. Retrieved 28 June 2016.
- "2016/17 SQUAD NUMBERS CONFIRMED". Leeds United. 6 August 2016. Retrieved 6 August 2016.
- "QPR CLAIM OPENING VICTORY". Leeds United. 7 August 2016. Retrieved 7 August 2016.
- "MATCHDAY: FLEETWOOD - LIVE!". Leeds United. 10 August 2016. Retrieved 10 August 2016.
- "UNITED TOO STRONG FOR WEDNESDAY". Leeds United. 20 August 2016. Retrieved 20 August 2016.
- "NORWICH CITY: PENALTIES SEE LEEDS EDGE CLASSIC". Leeds United. 26 October 2016. Retrieved 26 October 2016.
- "Antonsson arrives at Ewood Park". Blackburn Rovers Official Site. 11 August 2017. Retrieved 11 August 2017.
- "Marcus Antonsson | Football Stats | Leeds United | Season 2017/2018 | Soccer Base". www.soccerbase.com. Retrieved 20 December 2017.
- "Leeds United: On-loan striker Marcus Antonsson letting his goals do the talking at Blackburn". www.yorkshireeveningpost.co.uk. Retrieved 20 December 2017.
- "Boss discusses Antonsson injury". Blackburn Rovers. Retrieved 2 January 2018.
- "Will loanee Antonsson return and fight for a place at Leeds after Blackburn's promotion?". Yorkshire Evening Post. Retrieved 24 April 2018.
- "Brescia target Leeds left-back Denton with Antonsson deal close". Yorkshire Evening Post. Retrieved 7 July 2018.
- "Welcome to Malmö FF, Marcus Antonsson!". Malmö FF (in Swedish). Retrieved 14 July 2018.
- Hansson, Jonas (13 December 2018). "TV: MFF klart för slutspel i Europa League - skrällvann borta mot Besiktas" (in Swedish). Fotbollskanalen. Retrieved 14 February 2019.
- "Leeds United close to signing top Swedish striker Marcus Antonsson". Sky Sports. 20 June 2016. Retrieved 20 June 2016.
- Anderson, John, ed. (2018). Football Yearbook 2018–2019. London: Headline Publishing Group. pp. 54–55. ISBN 978-1-4722-6106-9.
- Marcus Antonsson at Soccerway. Retrieved 4 June 2019.
- "Games played by Marcus Antonsson in 2016/2017". Soccerbase. Centurycomm. Retrieved 27 September 2017.
- "Games played by Marcus Antonsson in 2017/2018". Soccerbase. Centurycomm. Retrieved 27 September 2017.