The Mariners will face Premier League side Chelsea at Stamford Bridge – if they can get past Macclesfield Town in next month’s rearranged second-round tie.
Tuesday’s tie against Macclesfield was abandoned due to a huge storm at Blundell Park, with match referee Darren Drysdale calling the game off at half-time.
The full third round draw
Wolves v Reading
Oxford United v West Ham United
Watford v Swansea City
Brighton & Hove Albion v Aston Villa
Sheffield United v Sunderland
Colchester United v Spurs
Portsmouth v Southampton
Burton Albion v Bournemouth
Preston North End v Manchester City
MK Dons v Liverpool
Manchester United v Rochdale
Luton Town v Leicester City
Chelsea v Grimsby Town or Macclesfield Town
Sheffield Wednesday v Everton
Arsenal v Nottingham Forest
Crawley Town v Stoke City
Third round ties are to be played in the week commencing 23 September.
Recent record v Chelsea
FL-2 12 Feb 83 (H) Town 2 Chelsea 1 (6711)
FL-2 17 Dec 83 (A) Chelsea 2 Town 3 (13151)
FL-2 12 May 84 (H) Town 0 Chelsea 1 (13000)
FA-5 21 Feb 96 (H) Town 0 Chelsea 0 (9648)
FA-5r 28 Feb 96 (A) Chelsea 4 Town 1 (28545)