Troy “Escalade” Jackson, a prominent figure on the “streetball” circuit and brother of former Knicks player Mark Jackson, died in his sleep, reportedly at an L.A. hotel room during NBA All-Star Weekend.

The cause of death was still under investigation.

NBA luminaries tweeted their condolences:

Earvin “Magic” Johnson: “My condolences to Mark Jackson & family for the loss of his brother Troy 'Escalade' Jackson. He was a true Street Ball & Playground legend!”

Shaquille O'Neal: “My heart goes out to Mark Jackson and his family who lost his brother last night, Escalade. We lost a great person love u escalade. I'm sad.”

Jackson was found unresponsive shortly before noon Sunday, according to Associated Press.

AP notes that he battled his weight; he stood at 6 feet, 10 inches and 375 pounds.

Still, he distinguished himself during the And1 Mixtape tour in 2002.

According to the New York Post Jackson was from Jamaica, Queens and played college basketball at Louisville.

He was 35 when he died.

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