The Stags will face Manchester City U21s, Lincoln City and Scunthorpe United in the 2020/21 EFL Trophy group stage, it has been revealed.
The EFL Trophy will be split into northern and southern sections with invited clubs joining Sky Bet League One and Two Clubs in one of eight groups.
The amber and blue are included in Group E of the 2020/21 instalment of the competition.
Fixture details for EFL Trophy fixtures will be announced in due course.
