NBA player Robert Swift went from the top of his game to living in dirt and destitution before getting turfed out of his home for mortgage non-payment -- and now his former high school basketball coach is claiming that the athlete's life crisis was caused by his parents' fatal greed.

Bruce and Rhonda Swift fell "into the trap of chasing money," Gino Lacava alleges, claiming they became hypnotized by the $4.4 million offer that the Seattle Sonics gave their then 18-year-old rising star son.

Now 27 and broke, 7'1" Swift has hit the headlines for all the wrong reasons after losing his home to foreclosure and instead of succumbing to the bank’s demands to leave, squatting in the mansion and transforming it from a desirable home to a den of inequity.

"He was a millionaire and he’s broke and he has 50 years of his life to try and make ends meet… I feel horrible for him," Lacava says of the sad situation, according to the Mail Online.

As Breaking Celebrity News previously reported, Swift was forced from his $1.4 million home in Sammamish, Washington earlier this month because he owed $168,000 on his mortgage despite earning $20 million during his short career as a basketball pro.

When the new owners bought the house in January for half the original price, it was already in a terrible state, with trash piled high all over, rotting food, pools of human waste, beer cans covering the grassy lawn, bullet holes piercing the garage window, and