Marvin Keller

Marvin Keller contract and transfer fees

Marvin Keller's contract with Young Boys runs until 30 June 2028 (19 months left). The final six months open on 1 January 2028, when FIFA rules let him agree a pre-contract elsewhere.

Marvin Keller has made 2 permanent moves since 2015, none for a disclosed fee.

Marvin Keller transfer history and what each club made

• Grasshopper · academy graduate · sold to Wil for an undisclosed fee (Jul 2021)
• Wil · signed from Grasshopper for an undisclosed fee (Jul 2021) · sold to Young Boys for an undisclosed fee (Feb 2023)
• Young Boys · signed from Wil for an undisclosed fee (Feb 2023) · current club

Marvin Keller injury record and availability

Marvin Keller has no injury or suspension on record as of 10 Nov 2026.

In the 2026/27 league season Marvin Keller has played 1,080 of a possible 1,170 minutes (92%): 12 starts and 12 appearances in 13 games, average rating 6.86.

Since 2019, Marvin Keller has had 3 injury spells: 143 days out and 5 games missed. Longest: injury (type not disclosed), 80 days (Dec 2019).

• 2026/27: no injury recorded
• 2025/26: no injury recorded
• 2024/25: no injury recorded

Young Boys injury list

Marvin Keller international career: Switzerland caps

Marvin Keller has 1 senior cap for Switzerland (44 minutes, 0 starts), the first in May 2026.

Last 12 months: 1 cap, 0 starts, 44 minutes in 23 matchday squads. Last in the squad on 11 Oct 2026.

Marvin Keller: club-trained at Grasshopper

Marvin Keller is club-trained at Grasshopper: our record shows him registered there for three entire seasons or 36 months between the ages of 15 and 21.

• Grasshopper

We count a player as club-trained when his record shows him registered with the club for three entire seasons or 36 months between the ages of 15 and 21 (UEFA's home-grown test), wherever he started and whatever he cost; time on loan counts for the club that borrowed him.