With the news that two-time All-Star Joakim Noah might be hanging it up and calling it career, different members of the NBA are tipping their hat to one of the best competitors the league has ever seen. A former executive of the Memphis Grizzlies shared one of the more funny memories he had with Noah’s one-year stint in Memphis.

John Hollinger, the former Vice President of basketball operations of the Grizzlies recounted a fond memory he has of the 6’11” forward in one of their practices. Hollinger is best known as the mind behind the Player Efficiency Rating or “PER” metric that measures overall impact with one number. Noah shoved that in his face on time during practice.

“Once, during a shooting competition, he’s looking for somebody to talk sh*t to besides his opponent, and sees me on the sideline. So he starts yelling ‘the PER formula does NOT account for this!’ after every make.” Hollinger posted on Twitter.

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Classic Noah.

Of course Joakim Noah wasn’t exactly a shooting savant in his one season in Memphis so it’s interesting to know how many times he did end up screaming that phrase to his former boss. Obviously, those were probably spewed by the New York native in jest as he’s known to be one of the fiercest trash talkers in the league.

In his 13 years in the league, Noah made a name for himself as one of the toughest defensive centers in the league. He had his best seasons early on with the Chicago Bulls where he was named the Defensive Player of the Year in 2014 and also made the All-Star Team and NBA’s All-Defensive Team for the second consecutive year. In those two seasons, Noah was averaging 11.2 rebounds per game, 1.8 blocks and added 1.2 steals. He also spent a few seasons with the New York Knicks after nine seasons with the Bulls.

His last contract in the league was with the Los Angeles Clippers earlier this year where he signed a 10-day in March. The Clippers chose to waive Noah come free agency this offseason.