It was a happy return to Manhattan for Isaiah Hartenstein, whose Oklahoma City Thunder dismantled the Knicks by a 126-101 final on Friday night at Madison Square Garden. The Western Conference-leading Thunder earned a two-game sweep of the Knicks after previously prevailing in a 117-107 home win last weekend.

I-Hart still hearts the New York Knicks. Chasing a big contract with the Oklahoma City Thunder may sullied his reputation among some Manhattanites, but Isaiah H

Isaiah Hartenstein demonstrated what the role could be at its peak. The job as the Knicks’ backup center — at the time occupying the spot behind an injury-prone Mitchell Robinson on the depth chart — could serve as a launchpad to an $87 million deal in free agency. To pricing out of the Knicks’ maximum offer due to the early Bird rights.

The New York Knicks: don't knock them until you've tried them. Isaiah Hartenstein has spent the past three seasons at the opposite ends of the NBA rotation mana

But with Hartenstein, the Knicks were limited to offering a max of four years, $72.5 million. The Thunder gave up three years, $87 million. The reason for New York’s restrictions was it originally signed Hartenstein to a two-year deal, so operated with only his partial Bird Rights. Oklahoma City signed him using straight cap space.

The New York Knicks knew that trading for stars like Karl-Anthony Towns and Mikal Bridges would be a massive gamble while moving on from several key stalwarts from last season's playoff run. The point of gambling, though, is the chance to come out as a big winner.

The Knicks brought a nine-game winning streak into Friday night's game against Isaiah Hartenstein's Thunder and Oklahoma City had won 13 in a row.

"You don’t really know the true ability or unselfishness of a player until you are teammates," Josh Hart said. "In LA with the Clippers, he was solid. But he got to New York and played a style and brand of basketball that Thibs loves. And then his personality – he was a great locker room guy for us. Unselfish."

Oklahoma City Thunder center Isaiah Hartenstein will be re-evaluated in approximately one week after he suffered a left soleus strain against the Philadelphia 76ers Tuesday night,

Friday night marked Isaiah Hartenstein’s first time back at The Garden since leaving the Knicks this offseason, and the hometown crowd was sure to give him a warm welcome.

Twenty-one games into his tenure with Oklahoma City, Isaiah has adapted. Still, playing at Madison Square Garden for the first time since Hartenstein signed a three-year deal, $87 million contract with the Thunder, the venue Isaiah called home for two seasons, is unique.

Oklahoma City Thunder center Isaiah Hartenstein is out at least a week with a calf issue and will be re-evaluated after that.