Jacob William Mahler (born 10 April 2000) is a professional footballer who plays either as a defensive midfielder or centre-back for Singapore Premier League club Tampines Rovers. Born in Denmark, he represents the Singapore national team.

Jacob Mahler
Mahler warming up before a match in the 2018 AFF Championship tournament
Personal information
Full name Jacob William Mahler
Date of birth (2000-04-10) 10 April 2000 (age 26)
Place of birth Copenhagen, Denmark
Height 1.85 m (6 ft 1 in)
Positions
Team information
Current team
Tampines Rovers
Number 6
Youth career
2017 National Football Academy
Senior career*
Years Team Apps (Gls)
2018–2023 Young Lions 73 (9)
2023–2024 Madura United 34 (1)
2024–2025 Muangthong United 2 (0)
2025– Tampines Rovers 17 (3)
International career
2015 Singapore U16 5 (1)
2017 Singapore U19 11 (2)
2018 Singapore U23 21 (1)
2018– Singapore 15 (3)
Medal record
Men's football
Representing  Singapore
Merlion Cup
Winner2019 Singapore
* Club domestic league appearances and goals as of 06:00, 17 June 2026 (UTC)
‡ National team caps and goals as of 18 November 2025

Club career

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Young Lions

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A youth product of the National Football Academy in Singapore, Mahler moved to Young Lions in 2018.[1] Mahler made his professional debut for Young Lions in a 1–3 Singapore Premier League lost to Geylang International on 4 July 2018.[2]

Mahler was named the club captain from the 2019 season onwards.[3]

in the 2022 season, during a match against Tampines Rovers FC, Mahler suffered an anterior cruciate ligament (ACL) and meniscus tear which took him out for the rest of the year.[4][5]

Madura United

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On 19 May 2023, Mahler joined Indonesia Liga 1 club, Madura United becoming the 10th Singaporean to play in the Indonesian top-flight league.[6] On 23 July 2023, Mahler scored his first goal for the club against Persis Solo coming from a set piece cross from Francisco Rivera.[7] Mahler was named in three consecutive "Team of the Week" from gameweek 4 to gameweek 6.

Muangthong United

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On 5 July 2024, Mahler moved to Thai League 1 club Muangthong United.[8] On 25 August, he made his debut for the club in a 2–0 win over Ratchaburi. Mahler later sustained a more severe knee injury – ACL, Medial collateral ligament (MCL), and additional ligament damage – which required two surgeries.[9] The injuries resulted in Mahler missing the entire season.

Tampines Rovers

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On 29 June 2025, Mahler returned to Singapore to sign with Tampines Rovers.[10]

International career

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Mahler made his professional debut for the Singapore national team in a friendly 2–0 win over Fiji on 11 September 2018.[11] He scored his first goal for Singapore when he collected his second cap against Cambodia on 16 October 2018 in an eventual 1–2 win.[12][13]

Mahler made his AFF Championship debut in the 2018 campaign on 9 November, with a 1–0 loss over Philippines.[14][15]

In 2022, Mahler was named captain of the SEA Games Under-23 national football squad after he was called up the for 2021 SEA Games in Hanoi, Vietnam.[9][16] He was later withdrawn from the team after he suffered an anterior cruciate ligament tear during his club's match in the 2022 season.[4]

After a five years absence, on 8 September 2023, Mahler made his return to the senior squad in the starting line up against Tajikistan.[3] On 12 October, Mahler scored his second international goal in a 2–1 win against Guam in the 2026 FIFA World Cup qualification.[3]

On 21 March 2024, Mahler came on as a substitute and scored at the 81st minute to equalise the scoreline to 2–2 during a 2026 FIFA World Cup qualification match against China.[17]

Personal life

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Mahler was born in Copenhagen, Denmark to a Danish father and Singaporean mother.[3] His family moved to Jakarta, Indonesia due to his parents work but soon returned to Singapore when he was four.[3]

He attended St. Joseph's Institution (SJI)[18] before graduating from Temasek Polytechnic (TP) with a Diploma in Aerospace Electronics.[18]

Mahler is a big fan of Manchester United and had cited that he used to emulate the playing style of his favourite player, Paul Scholes.[3]

Career statistics

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Club

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As of match played 15 September 2024
Club Season League National Cup League Cup Continental Total
Apps Goals Apps Goals Apps Goals Apps Goals Apps Goals
Young Lions 2017 2 0 0 0 0 0 2 0
2018 10 0 0 0 0 0 10 0
2019 2430000243
2020 1430000143
2021 1230000123
2022 70000070
2023 40000040
Total 739000000739
Madura United 2023–24 3410000341
Total 341000000341
Muangthong United 2024–25 2000000020
Total 2000000020
Tampines Rovers 2025–26 101001014 [a]0251
Total 1010010140251
Career Total 11811001014013311
  1. 9 in AFC Elite 2, 5 in Shopee Cup

International

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Scores and results list Singapore's goal tally first.[19]

International caps

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NoDateVenueOpponentResultCompetition
612 October 2023National Stadium, Singapore Guam2–1 (won)2026 FIFA World Cup qualification
717 October 2023GFA National Training Center, Guam Guam1–0 (won)2026 FIFA World Cup qualification
816 November 2023Seoul World Cup Stadium, Korea South Korea0-5 (lost)2026 FIFA World Cup qualification
921 November 2023National Stadium, Singapore Thailand1-3 (lost)2026 FIFA World Cup qualification
1021 March 2024National Stadium, Singapore China2-2 (draw)2026 FIFA World Cup qualification
1126 March 2024Tianjin Olympic Center, China China1-4 (lost)2026 FIFA World Cup qualification

International goals

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No.DateVenueOpponentScoreResultCompetition
1.16 October 2018Olympic Stadium, Phnom Penh, Cambodia Cambodia1–12–1Friendly
2. 12 October 2023 National Stadium, Kallang, Singapore  Guam 2–0 2–1 2026 FIFA World Cup qualification
3.21 March 2024National Stadium, Kallang, Singapore China2–22–22026 FIFA World Cup qualification

Honours

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Madura United

Singapore U22

References

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  1. "Football Association of Singapore". www.fas.org.sg. Archived from the original on 1 May 2019. Retrieved 20 September 2018.
  2. "Young Lions vs. Geylang International - 4 July 2018 - Soccerway". int.soccerway.com.
  3. 1 2 3 4 5 6 Lee, David (16 October 2023). "Indonesian stints give boost to Lions Jacob Mahler and Song Ui-young". The Straits Times. ISSN 0585-3923. Retrieved 26 February 2024.
  4. 1 2 "SEA Games: Footballers realistic about gold-medal hopes, will take a game at a time". Yahoo News. 6 May 2022. Retrieved 26 February 2024.
  5. "Jacob Mahler - Singapore Young Lions' Captain Fantastic". The Straits Times. 14 July 2022. ISSN 0585-3923. Retrieved 23 June 2026.
  6. Sultan, Aldi (19 May 2023). "Madura United tambah komposisi pemain asing usai daratkan Jacob Mahler". Antara News (in Indonesian). Retrieved 30 January 2024.
  7. "Francisco Israel Rivera Jacob Mahler Gol, Persis Solo Tertinggal Madura United di Liga 1 Hari Ini". Tribunpontianak.co.id (in Indonesian). Retrieved 30 January 2024.
  8. Lee, David (14 July 2024). "'Manned-up' Jacob Mahler moves from Madura to Muangthong in pursuit of football dreams". The Straits Times. ISSN 0585-3923. Retrieved 23 June 2026.
  9. 1 2 "Jacob Mahler on injuries, comebacks, and why the right mindset is the one thing no injury can take from you". Her World Singapore. 4 June 2026. Retrieved 23 June 2026.
  10. "Star midfielder Mahler is looking forward to Tampines Rovers FC good as the team seeks momentum in Asean Club Championship". The Star. 20 November 2025. Retrieved 23 June 2026.
  11. "Singapore coach Fandi Ahmad: "Big Lungs" Mahler is a true professional at 18". 13 September 2018. Archived from the original on 20 September 2018. Retrieved 20 September 2018.
  12. "Singapore survive Phnom Penh scare to seal 2-1 victory over Cambodia". FourFourTwo. 16 October 2018. Archived from the original on 16 October 2018. Retrieved 16 October 2018.
  13. "Singapore Ratings vs Cambodia: Ikhsan, Safuwan shine in Phnom Penh victory". FourFourTwo. 17 October 2018. Archived from the original on 18 October 2018. Retrieved 18 October 2018.
  14. "Singapore announce their 23 man squad for the AFF Suzuki Cup | Goal.com". www.goal.com. 5 November 2018. Retrieved 26 February 2024.
  15. "Fandi 'disappointed' not to get draw after Lions defeat in Philippines - Football Association of Singapore". www.fas.org.sg. Retrieved 26 February 2024.
  16. "Singapore men's U23 football provisional squad for SEA Games announced, including 4 overaged players | Youthopia". 19 April 2022. Archived from the original on 19 April 2022. Retrieved 26 February 2024.
  17. Matthew Mohan (21 March 2024). "Singapore come back from two goals down to hold China in Lions coach Ogura's opening game". CNA. Retrieved 23 June 2026.
  18. 1 2 Singh, Dilenjit. "Breakthrough year for teen footballer Mahler, Latest Singapore Football News - The New Paper". The New Paper.
  19. "Mahler, Jacob". National Football Teams. Retrieved 23 October 2018.
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