There are not a lot of experts who are picking Luke Campbell to pull off a shocker next Saturday night, but former world champion George Groves believes the Olympic gold medal winner is fully capable of getting the job done.

Next Saturday night, at the O2 Arena in London, Campbell will face one of boxing's pound-for-pound best, Vasiliy Lomachenko, for the WBC, WBO, WBA lightweight titles.

Campbell is a heavy underdog, with many expecting Lomachenko to win a very comfortable decision.

In the opinion of Groves, there are not enough people giving Campbell his proper due in the fight.

Campbell last tasted defeat two years ago, when he first challenged for a world title and lost a close decision to Jorge Linares. Last year, Lomachenko stopped Linares, but not before the Ukrainian fighter was dropped for the first time in his pro career.

Groves is warning observers that they shouldn't write Campbell off in the upcoming bout.

"Usually when a fight gets closer the opinions on who will win becomes more 50-50. But this feels like not enough people are giving Luke a chance. But people don't see the day-to-day," Groves told Sky Sports.

"If you're in awe of Lomachenko he will have his way with you. With all due respect to [Lomachenko's last opponent] Anthony Crolla let's not get popularity confused with ability. Luke would have done the same thing to Crolla. Luke and Crolla are a different pedigree, a different ability.

"We haven't seen the best of Luke yet. He got on the floor in the first round against Jorge Linares and lost a split decision in the States - at the time, Linares was [one of the pound-for-pound best]. People see the L and just say: 'he got beat'. Don't write Campbell off. This is his coming of age fight."