This archive report was first published on 26 September 2019.
Chelsea's Ross Barkley opened the scoring in the fourth minute, capitalizing on Pedro's pass from 25 yards out.
Michy Batshuayi doubled Chelsea's advantage three minutes later, before Grimsby Town's Matthew Green pulled one goal back in the 19th minute.
Chelsea's Pedro restored the two-goal advantage via a spot-kick in the 38th minute, after Green fouled Zouma to concede a penalty.
After the restart, Chelsea continued their dominance, with Kurt Zouma scoring in the 56th minute to make it 4-1.
Reece James netted Chelsea's fifth goal in the 78th minute, before Batshuayi completed his brace in the 86th minute.
Callum Hudson-Odoi announced his return from injury with Chelsea's seventh goal of the match in the 90th minute.
The victory propelled Chelsea into the fourth round of the competition.
