Southampton 2025 summer transfers: Every confirmed signing and sale for Will Still's side

Southampton 2025 summer transfers: All confirmed ins and outs
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Track all of Southampton's 2025 summer transfer activity, including confirmed signings, player departures, latest rumours and squad updates.

Yet another new era is upon Southampton supporters, who witnessed Russell Martin and Simon Rusk join forces to just about prevent the Saints from setting the most shameful Premier League record in the 2024-25 campaign.

For a long while, the South Coast side were at a serious risk of becoming the worst team to ever grace the competition, only to eventually overtake Derby County's record-low points total of 11 from the 2007-08 season.

With pre-season about to get underway, new manager Will Still - formerly of Lens and Reims in Ligue 1 - has been getting to know his group of players, one that has only welcomed the one new face so far in Joshua Quarshie.

It has been anything but quiet on the outgoings front, though, as the Saints garnered a healthy £18m sum by selling Kamaldeen Sulemana to Atalanta BC, allowed Paul Onuachu to join Trabzonspor, saw Kyle Walker-Peters leave at the end of his contract and bade farewell to the retiring Adam Lallana.

Here, Sports Mole tracks all of Southampton's summer transfer business for the 2025 window.



Southampton confirmed transfers in: Summer 2025


Joshua Quarshie (£3.5m from Hoffenheim)

Southampton confirmed transfers out: Summer 2025

Samuel Amo-Ameyaw (£5.9m to Strasbourg)

Adli Mohamed (undisclosed to Al-Nasr)

Kamaldeen Sulemana (£18m to Atalanta BC)

Joe Lumley (free to Bristol City)

Paul Onuachu (undisclosed to Trabzonspor)

Kyle Walker-Peters (released)

Adam Lallana (retired)

Juan Larios (loan to Cultural y Deportivo Leonesa)

Ollie Wright (loan to Accrington Stanley)



How much have Southampton spent and earned during the summer 2025 transfer window?

Southampton total spend summer 2025: £3.5m

Southampton total income summer 2025: £23.9m

Southampton total net profit summer 2025: +£20.4m



Latest Southampton transfer rumours


You can find a complete list of the latest Southampton transfer rumours by clicking here.



Southampton squad


You can view Southampton's current squad ahead of the 2025-26 season by clicking here.


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