'TMZ Hollywood Sports' -- NBA Star Mulls Over ... $3 MILLION SHOES!

L.A. Clippers star DeAndre Jordan says he would NEVER buy a pair of Nick Cannon's $2 million diamond studded shoes ... because his feet are so much bigger, it would run him an EXTRA million!

But there are TONS of ultra-rich people around the globe who are LINING UP for the expensive kicks -- and the designer, Jason of Beverly Hills, is telling us all about who's demanding a pair!

Make sure to check out the brand NEW episode of "TMZ Hollywood Sports" on Reelz -- every weekday at 8pm ET, 5pm PT.