Finally a Laker, Ron Artest won’t guarantee another ring for his new team.

Especially not since some recent NBA champions made moves that could get them back to the top.

Boston and San Antonio signed veteran power forwards Wednesday, with Rasheed Wallace joining the Celtics and Antonio McDyess agreeing to a deal with the Spurs.

They left the Detroit Pistons, who added Ben Gordon and Charlie Villanueva to a former title contender looking to get younger and better.

Wednesday was the first day deals could be signed, and Artest called it “a long time...

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