Alejandro Garnacho scored his first brace for Chelsea to seal a 3-1 win and send Chelsea into the Carabao Cup semi-finals after Cardiff briefly levelled following a lively tie.Facundo Buonanotte set up the opener, Joao Pedro provided the stoppage-time assist, Pedro Neto also scored, and Chelsea — third in the Premier League with 28 points — will travel to Newcastle on Saturday; Garnacho said he was really happy to help from the bench and Pedro Neto stressed the team's winning mindset.