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Transfer newsยทLilleยทUpdated 20 JulConfirmed

Isaac Cossier signs new Lille contract

Isaac Cossierโ†’Lille
100%
Will it happen
100%
Credibility
โ€”
Reported fee
4
Reports
PlayerFull profile โ†’
I. Cossier
Center Back ยท France ยท 19 yrs
62.9
Rating
36.8
Season
30.9
Value
This season
1
Apps
0
Goals
0
Assists
ClubLilleโ†’LeagueLigue 1โ†’
  • Isaac Cossier has agreed a new contract with Lille, keeping him at the club.
  • The renewal is confirmed, led by LOSC (official club website) across 4 reports (100% credibility).
iInsights by Field Insider

Story log

  1. 22 AugDeal confirmed by the reporting

What the reports say

2 of 4 cite concrete progress2 cite a named / official source
  • LOSC announce Isaac Cossier has signed a contract extension with the club until June 2030 and returns to Lille after his loan at Le Mans. โ€” LOSC (official club website)
  • LOSC announced Isaac Cossier (19) has extended his contract with Lille until 2030. โ€” L'Equipe
  • Round-up article listing I. Cossier among Lille players returning from loan for the 2026โ€“27 season (notes him as returning from Le Mans). โ€” EuroFootNews
  • Transfer/roster listing showing I. Cossier recorded as returning from loan at Le Mans to Lille (entry dated 29 June 2026). โ€” LiveSoccerTV (team transfers page)
Squad depthScout's view ยท Ball-winning Central defender
Full scout report โ†’
63ยฑ0%
Rating
379.2%
Season
30.9
Value index
0g 0a
in 1 apps ยท Ligue 1

I. Cossier is a 19-year-old central defender at Lille, rated 66.2 overall by Field Insider's model. A young player, he has been a fringe squad member this season (0.9% of available minutes). His defensive output reads 6.43 tackles, blocks and interceptions per 90. Below: strengths, watch-points, market-value outlook and the latest transfer news on Cossier.

Also this season: 2 apps, 0g on loan at Le Mans.

The report at a glance
Isaac Cossier signs new Lille contract โ€” Field Insider report card
4 Reports