Rovers are 10/11 to beat Peterborough United and leapfrog Posh into the play-off places.
The last time the sides met John Marquis was on the scoresheet. He is 23/20 to get a goal again on Saturday.
Tyler Smith scored twice in Rovers last home league match and he is 5/1 to score again on Saturday.
A draw is 5/2, while a win for Posh is priced at 13/5.
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All odds correct at the time of writing. Over 18s only. Please gamble responsibly and Be Gamble Aware. www.begambleaware.org.