Despite there being plenty of Chelsea academy graduates now impressing in the first team, there has also been a few examples of talented youngsters leaving the club to enjoy success elsewhere.
One huge example that still frustraters supporters is Tariq Lamptey.
Lamptey, 20, is a quick right-back that was developed in the Blues academy system and went through the ranks at Cobham.
But he was desperate to play regular first-team football and that path for him was blocked at Stamford Bridge, which is why he completed a permanent move to Brighton in January 2020.
Thomas Tuchel’s Chelsea have Reece James and club captain Cesar Azpilicueta to play the full-back position, but Lamptey is now a key performer in the Premier League with Brighton and looks like one that got away.
Chelsea fans could now be fearing that history is about to repeat itself.
Marcel Lavinier is a young right-back that spent 12 years developing in the Chelsea academy, but he was let go by the club last year.
The 20-year-old was snapped up though by Premier League and London rivals Tottenham, after he had a successful trial with them in October.
It’s interesting to see that he’s travelled with the Spurs first team for their Europa League fixture on Thursday and appears to be knocking on the door for a senior debut.
In the space of just a few months the ex-Chelsea youngster has established himself as a regular in the Spurs Under-23s team and Blues supporters will be watching through their fingers to see how he develops.