Viljami Sinisalo, born on 11 October 2001 (age 25), is a Finnish goalkeeper at Celtic. An imposing 6ft 5in (1.96m), he wears the number 12 shirt and has become a regular first-team presence rather than just another squad goalkeeper waiting for a chance that never quite arrives.
He came through Aston Villa’s system and had loan experience elsewhere, including a four-appearance league spell with Burton Albion in 2022-2023. Celtic moved for him in July 2024, paying around £1m to bring him from Villa. That transfer is the point at which his senior career properly starts to take shape.
His time at Celtic has already brought substance: 26 league appearances across three seasons, two Premiership titles in 2024-2025 and 2025-2026, and a League Cup win in 2024-2025. He has also been part of Celtic sides finishing runners-up in the League Cup and Scottish Cup. For a goalkeeper still building his standing, that is a useful grounding in the demands of the place.
In 2026-2027, Sinisalo has made eight league appearances for Celtic, along with one in the League Cup, five in the Scottish Cup, two in Champions League qualifiers and two in the Europa League. He has also been involved with Finland, making two European World Cup qualifying appearances and one in the Nations League this season. His current market value is around £850,000, according to Transfermarkt.
Sinisalo’s career is still developing, but Celtic is already the main part of it. He arrived from a large English club, earned minutes in a demanding shirt, collected domestic honours, and remains part of the current side.
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