Some have joined Premier League rivals, others are playing in non-league football.
Stars from Sunderland, West Ham United and Tottenham Hotspur all feature.
As Watford drew 2-2 at home to Bournemouth in the Premier League, we take a look at the five things we learned from the game.
The Brazilian veteran is being linked with a move to Wolves.
The Watford goalkeeper certainly had a dramatic career while he was at Tottenham Hotspur.
The Watford goalkeeper denied the West Brom striker from the spot not once but twice on Saturday.
The Watford goalkeeper was on hand to twice deny Saido Berahino from the spot as the Hornets edged to a 1-0 win over West Brom at the Hawthorns.
The ex-Spurs goalkeeper says his former side have shown that they are now the biggest club in London.
Everton have been linked with five goalkeepers, including Watford’s Heurelho Gomes.
Watford goalkeeper Heurelho Gomes clarifies his recent comments about Arsenal.