Chicago, Illinois - LeBron James had his best game yet for the Philadelphia 76ers, who bounced back with a 127-121 win in Chicago on Sunday over a Bulls side that has now lost seven straight NBA games.

Veteran superstar James scored 22 points – his highest tally since joining the Sixers this summer – in a return to form after a paltry eight points in Friday's disappointing loss to Cleveland.

James also had five assists while Jaylen Brown top-scored with 29, Tyrese Maxey poured in 27, and Joel Embiid pulled down 10 rebounds.

The star-studded Sixers have lost just twice so far this season, for their best start after 11 games since 2000.

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Philadelphia grabbed the lead early in the second quarter and never trailed from there, though a resilient Chicago pulled within two points in the closing stages.

"We have a lot of guys that's been in situations, late-game situations, and we have a 'no panic' button," said James.

"We understand that we got to get stops on this end, but if teams make a run, we understand how to be calm on the other end as well."

The Bulls remain second-bottom of the Eastern Conference, ahead of only the Milwaukee Bucks – the only team Chicago has beaten so far this campaign.

They were without shooting guard Norman Powell, their second-leading scorer this season, who was placed on the injury report hours before tip-off with back discomfort.

But Josh Giddey provided some hope with a double-double including 19 points and 15 assists.