Joel Mattsson (born 17 March 1999) is a Finnish professional footballer who plays for IFK Mariehamn, on loan from Danish club Vejle BK, as a midfielder.
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Tanzania
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USA
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Joel Mattsson
Manchester City 
Wolverhampton 
FC Porto 
Moreirense 
Chornomorets Odesa 
Shakhtar Donetsk 
Alaves 
Atletico Madrid 
Ingulets Petrove 
Dynamo Kyiv 
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Bournemouth 
Borussia Dortmund 
VFL Wolfsburg 
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Inter 
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Barcelona 
PSV 
Fortuna Sittard 
ST Etienne 
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Benfica 
Empoli 
Lazio 
Fakel Voronezh 
Spartak Moscow 
Rangers 
Celtic 
Real Madrid 
Celta Vigo 
Go Ahead Eagles 
AZ Alkmaar 
Brentford 
Manchester Utd