| DRAGOVIC | Aleksandar ........, Austria, Austria Wien and 2016-21 Bayer Leverkusen defender (8) |
| JEDVAJ | Tin ...... , Croatia, Lokomotiv Moscow and 2015-21 Bayer Leverkusen defender (6) |
| FALLYMAYULU | Arouca, 2023-2024 Rapid Wien and 2024-2026 Bristol City forward (5,6) |
| HINCAPIE | Ecuador and Bayer Leverkusen defender; Arsenal loanee in 2025-2026 (5,8) |
| BENWHITE | England, Arsenal and 2016-21 Brighton defender/ midfielder (3,5) |
| CANDREVA | Antonio..., 2009-18 Italy and 2016-21 Internazionale midfielder (8) |
| DEKEYSER | Jean-Pierre , 1986-1990 Bayer 04 Leverkusen defender; 1988 UEFA Cup final winner (2,6) |
| MITROVIC | Aleksandar, Serbian striker who joined Fulham FC in 2018 (8) |
| JOHANSEN | 2013-20 Norway, 2014-16 Celtic, 2016-21 Fulham and 2021-23 QPR midfielder (8) |
| RYANDONK | 2021-22 Suriname midfielder/defender at Galatasaray from 2016-21 between spells at Kasimpasa; 2008-09 West Brom loanee (4,4) |
| FOSUMENSAH | Timothy ... - ..., 2017-18 Netherlands, 2016-21 Manchester United and 2021-24 Bayer 04 Leverkusen defender (4-6) |
| ROLFF | Wolfgang ..... , 1983-89 West Germany and 1986-89 Bayer Leverkusen defender (5) |
| TOPRAK | Omer ___, 2011-2017 Turkey and Bayer Leverkusen defender (6) |
| LAZAAR | Achraf, 2014-21 Morocca and 2016-21 defender (6) |
| AJER | Kristoffer .... , Norway, Brentford, 2014-16 Start and 2016-21 Celtic defender (4) |
| BAMBA | Sol ..... , 2008-14 Ivory Coast and 2016-21 Cardiff City defender (5) |
| TOMORI | Fikayo ...... , AC Milan and 2016-21 Chelsea defender; 2019 England debutant (6) |
| WHITE | Ben ....., England, Arsenal and 2016-21 Brighton defender (5) |
| YEDLIN | DeAndre ...... , United States, FC Cincinnati and 2016-21 Newcastle defender (6) |
| OKANE | Eunan -, 2016-17 Republic of Ireland and 2016-21 Leeds midfielder (5) |
