Isaac Cossier
Mercato XI valuation · €5.0M · September 2026
Current Team
LOSC Lille
Isaac Cossier
Performance Summary
Season snapshot
Season Rating
Tackles / G
1.0
Int / G
0.0
Duel Win %
50%
Aerials Won
0
Clean Sheets
1
Pass Acc.
100.0%
Tackles
1
Interceptions
0
Appearances
1
Rating
6.53
Detailed stats
Player Statistics
Transfer History
Career moves for Isaac Cossier
About Isaac Cossier
Isaac Cossier is a 19-year-old French centre back at LOSC Lille, where he wears the number 26 shirt. Standing at 192cm and right-footed, he plays in Unknown.
Across 24 appearances and 1,397 minutes in the 2025/26 season, Isaac Cossier has contributed 35 tackles and 26 interceptions to his side's defensive work, also chipping in with 1 goal and 0 assists.
As of September 2026, Mercato XI values Isaac Cossier at €5.0M, a figure that has remained broadly steady in recent months. Playing regularly in Unknown, a defined role at LOSC Lille, and being at a productive age for a defender all support a positive outlook on his value. Read the methodology to learn more about how we estimate player value.
Frequently asked questions
What position does Isaac Cossier play?+
Isaac Cossier plays as a centre back for LOSC Lille, and is 19 years old.
What are Isaac Cossier's stats for the 2025/26 season?+
In the 2025/26 season, Isaac Cossier has made 24 appearances in Unknown, contributing 35 tackles, 26 interceptions, 1 goal and 0 assists.
How is Isaac Cossier's 2026 market value calculated?+
Mercato XI estimates Isaac Cossier's market value with an AI model that weighs his on-pitch performance, age, and the strength of Unknown. The valuation is recalculated every month.