Odin Luras Bjortuft of Bodø / Glimt, Ethan Mbappé of LOSC Lille and Mikulas Konecny of Slavia Praha have each been sent off once in the Champions League in 2026/2027. Thirty-seven players were level on 1 in 2025/2026.
Odin Luras Bjortuft and Mikulas Konecny are level on 1 red card, the most by any defender in the Champions League in 2026/2027. No other defender has one.
| Rank | Player | Team | Red Cards |
|---|---|---|---|
| 1 | Odin Luras Bjortuft | Bodø / Glimt | 1 |
| 2 | Ethan Mbappé | Lille | 1 |
| 3 | Mikulas Konecny | Slavia Praha | 1 |