West Bromwich Albion took a strong 3-0 lead in the first half before Chelsea responded and it ended 3-3 at The Hawthorns.
Callum Robinson opened the scoreline for West Brom in the 4th minute and the second came in the 25th minute whole Kyle Bartley netted the third for the Baggies - a strong lead into the half time break.
Frank Lampard's charges came back recharged and ready to revenge in the second half as Mason Mount pulled one back for the visitors in the 55th minute.
Callum Hudson-Odoi came in as a substitute and contributed a goal in the 70th minute of the contest.
It looked as if Slaven Bilic's side was going to pick up their first three points of the season despite some defensive errors that cost them their lead.
Tammy Abraham was the man to put a damper on West Brom's thunder as he netted the equaliser in extra time and forced both sides to share the spoils.
Catch the highlights here: West Brom vs Chelsea