Rovers are evens to defeat Grimsby Town at Blundell Park in the first round of the Carabao Cup with title partner Sky Bet.
The sides have met six times in the league cup with Rovers coming out on top four times – the most recent of these was a 3-2 victory in 2003/04 season. A repeat of this score line is priced 28/1.
Kieran Sadlier has scored in both of Rovers Sky Bet League One matches this season and is 9/5 to repeat the feat on Tuesday.
A draw is prices at 12/5 while a home win for the Mariners is 5/2.
All odds correct at the time of writing. Over 18s only. Please gamble responsibly and Be Gamble Aware. www.begambleaware.org.