After trailing to Danny Rose’s 16th minute goal for the Mariners, Dons scored twice in quick succession through Alex Gilbey and Scott Hogan to take the lead before Connor Lemonheigh-Evans scored in stoppage time to make sure of the result.
The trio of victories lift Dons into ninth in League Two, just one point outside the play-off spots.
Here’s how we rated the players.
5. Aaron Nemane - 7
A thorn in the side for Grimsby in both halves, but Dons did not utilise him effectively or regularly enough. Showed a couple of really great turns of pace, and deserved his assist. | Jane Russell
6. Joe Tomlinson - 6
Did not get much of a sniff really. Had a couple of first-half efforts off target but saw attacks primarily go down the opposite flank in the second | Jane Russell
7. Top Don: Connor Lemonheigh-Evans - 7.5
Dons' best player. Broke up play, made big tackles, and covered every blade of grass as he ran and ran. Capped an excellent showing with his goal at the death to make sure of Dons' win. | Jane Russell
8. Liam Kelly - 6
Struggled to get a foothold in the game early on, but grew into it in the first-half. Started the second well but limped out with what appeared to be a hamstring issue | Jane Russell