Legendary boxing trainer Freddie Roach believes that heavyweight champion Anthony Joshua may be ‘overdoing it with the weights’.

Joshua, who currently holds the IBF, WBA and WBO titles, hasn’t tasted defeat in any of his 21 professional fights.

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The Brit has recently booked out Wembley Stadium for September 22 and April 13, where he is expected to face mandatory challenger Alexander Povetkin in September which could set up a unification bout against American Deontay Wilder in April.

Roach, who trained eight-division world champion Manny Pacquiao, believes that the 28-year-old can potentially ease off the weights, to give himself a better chance in the ring.

He might be lifting too much weight recently because I saw him fatiguing a bit more in his last fight.

His biceps and upper body are so much bigger than his lower body. I think he might be overdoing it with the weights.

Joshua’s last bout came against Joseph Parker in Cardiff back in March, where the Brit went the full 12 rounds for the first time in his career.

Joshua also weighed in at 17st 4lbs for the clash with Parker, his lowest weight since for a fight from four years.