Relegated Watford have announced several senior players are being released.
The Hornets have cut loose five of their squad as they prepare for a return to the Championship.
The headline departure is goalkeeper Foster, 39, who has played 207 games for Watford over two spells.
Juraj Kucka has chosen to use a clause in his contract that releases him, while Peter Etebo returns to Stoke after his loan.
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