Cardiff City, Swansea and Wrexham have reached the Carabao Cup fourth round — the first time three Welsh clubs are in the last 16 since the competition began. Swansea beat Nottingham Forest with a stoppage‑time comeback; Cardiff beat Burnley; Wrexham beat Reading. The piece outlines historical context (Swansea 2012–13 winners), past Welsh runs and the prospect of tough Premier League opponents or a possible Welsh derby in round four.