Islam Makhachev was trouble as the lightweight champion.

Now, he’s double trouble at welterweight.

Makhachev leaned heavily on his takedown and grappling advantages to usurp Jack Della Maddalena on Saturday night in the UFC 322 headliner for the 170-pound championship, winning a no-brainer decision on the scorecards and becoming the 10th man in the promotion’s history to claim gold in two weight classes.

Islam Makhachev is pictured before his UFC 322 fight Nov. 15. Imagn Images

The former lightweight champion, who vacated the 155-pound division title earlier this year while riding a 15-fight win streak, took down the larger Della Maddalena in each round but engaged him on the feet at the beginning of several frames.

Della Maddalena, of Australia, vaunted for his striking prowess, non

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