The Mirror reports that Celtic boss Neil Lennon will make a new bid for Tomlin, after having three bids rejected for him in the summer.
Peterborough have reportedly put a £4.5million price-tag on the highly-rated playmaker.
Celtic scout Craig Strachan watched Tomlin in action for Peterborough at the weekend.
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Liverpool have unveiled their new home kit for next season, sticking with the hugely popular retro styling of the current shirt.
The reputation of the Premier League means it is the most popular and one of the most watched leagues in the world.