As I said before, we should largely ignore CL squad when considering our signings and sign our squad with the PL in mind, though (as I also said before) signing a player like KWP specifically with club trained CL squad player in mind would be sensible.
Apparently, this is the full list of departed club trained.....I googled it
Harry Kane - Bayern Munich
Noni Madueke - Chelsea
Troy Parrott - AZ Alkmaar
Harry Winks - Leicester City
Oliver Skipp - Leicester City
Kyle Walker-Peters - Southampton
Marcus Edwards - Burnley
Japhet Tanganga - Millwall
Andros Townsend - Antyalspor
Adam Smith - Bournemouth
Steven Caulker - Ankara Keciörengücü (Turkey 2nd Tier)
Nabil Bentaleb - Lille
Alex Pritchard - Sivasspor (Turkey 1st Tier)
Josh Onomah - Blackpool
William Troost-Ekong - Al-Kholood Club (Saudi)
Massimo Luongo - Ipswich Town
David Button - Reading
Milos Veljkovic - Werder Bremen
Cameron Lancaster - Lexington SC (USA 2nd Tier)
Filip Lesniak - Spartak Varna (Bulgaria)
Ronnie Henry - Potters Bar
Luke Amos - Perth Glory
Harvey White - Stevenage
Jayden Meghoma - Preston North End
Dominic Ball - Leyton Orient
Jordan Archer - Portsmouth
Luke McGee - Tranmere Rovers
Lawrence Vigouroux - Swansea City
Shaq Coulthirst - Maidstone United
Cameron Carter-Vickers - Celtic
Kazaiah Sterling - Pittsburgh Riverhounds SC
Sam Shashoua - Minnesota United FC
Marcel Lavinier - Forest Green Rovers
Timothy Eyoma - Northampton Town
Nya Kirby - AFC Croydon Athletic
Tashan Oakley-Boothe - Dunfermline Athletic
Joy Mukena - Crawley Town
Dilan Markanday - Leyton Orient
Dennis Cirkin - Sunderland
Nile John - CD Feirense
Romaine Mundle - Sunderland
Yago Santiago - Elche CF
Kieran Morgan - QPR
Samuel Amo-Ameyaw - Southampton
Shilow Tracey - Crewe Alexandra
Paris Maghoma - Brentford
Certainly tests the memory.