Et sterkt reservelag ga Michael Jolley innsikt i troppens dybde da de tirsdag slo Doncaster 4-0.
Doncaster B – Grimsby B 0-4
Cantley Park
Mål: 0-1 Mallik Wilks 14′, 0-2 Diallang Jaiyesimi 30′, 0-3 Siriki Dembele (str) 31′, 0-4 Mallik Wilks
Grimsby reservene: 30. Ben Killip, 26. Tom Sawyer, 25. Martyn Woolford, 4. Sean McAllister, 12. Zak Mills, 24. Jack Keeble, 27. Siriki Dembele, 8. Mitch Rose, 21. Scott Vernon, 18. Mallik Wilks, 20. Diallang Jaiyesimi. Innbyttere: 9. JJ Hooper, 11. Sam Kelly, 40. Alex McMillan, Ollie Battersby (juniorlags keeper).