Kourtney Kellar Hartenstein, wife of NBA champ Isaiah Hartenstein, returns as a ring girl for the Taylor vs. Serrano fight.

Here is more on NBA player Isaiah Hartenstein's wife Kourtney Kellar, who will be a ring girl for the Katie Taylor vs. Amanda Serrano fight.

This article was originally published on www.si.com/nba/thunder as Isaiah Hartenstein Proved to be the Perfect Piece for OKC Thunder.

Thunder center Isaiah Hartenstein reveals a funny story about how he was recruited by the front office over the summer.

Oklahoma City Thunder's Isaiah Hartenstein presented a $10,000 check to Positive Tomorrows, a school for families ...

Shifting to contender status, the Oklahoma City Thunder knocked it out of the park with their two big offseason additions ...

Looking back at when the Thunder recruited Hartenstein originally turned out to be a showcase for how much the team wanted ...

Isaiah Hartenstein on the exact moment the Thunder knew they have a real shot at the championship: "We're beating teams by 20 every night" originally appeared on Basketball Network. Isaiah Hartenstein ...

OKLAHOMA CITY — On the morning of Game 1 of the NBA Finals, with an assembly of reporters huddled around Jalen Williams at the Oklahoma City Thunder ’s practice facility, Isaiah Hartenstein ...

The Thunder granted nearly $800 million in contract extensions, but is not in financial trouble. Thanks to Sam Presti’s ...

Isaiah Hartenstein visited Positive Tomorrows, a nonprofit benefiting families experiencing homelessness, on Friday to ...

Fresh off their first NBA title, the Thunder are well-positioned to maintain their place atop the league. And there's no ...