WREXHAM, Wales, March 7 : Chelsea's Alejandro Garnacho and Joao Pedro struck in extra time to secure a nervy 4–2 win over second‑tier Wrexham and a place in the FA Cup quarter‑finals on Saturday as the Premier League giants escaped from the Racecourse Ground after a tough battle. Garnacho volleyed home from close range in the 97th minute with such force that the ball ricocheted off the back stanchion to give Chelsea the lead for the first time on the night. Wrexham - who lost George Dobson to a