Big transfers often create a domino effect, as one big move can spark more. Think about how if Hugo Ekitike (or Benjamin Sesko , or João Pedro ) had moved to Newcastle United , it could have potentially unlocked Alexander Isak to Liverpool ; or how Alejandro Garnacho 's move to Chelsea relied on exits for Christopher Nkunku or Nicolas Jackson .

But perhaps just as crucial in shaping the market is when players renew their contract to stay at their current club. That forces whoever was chasing their signature to look elsewhere and enact a plan B -- which has knock-on effects for other clubs too.

Here, we've tracked the major contract renewals that have happened in 2025 and charted how their ripple effects altered, and in some cases dictated, how the summer transfer wind

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