The 35-year-old former basketball star, and ex of Khloe Kardashian
, arrived by himself at the Love Ranch late Saturday night, Love Ranch owner Dennis Hof told ET, and "was in a great mood." According to TMZ,
which first broke the news, Odom spent several days partying with a number of different girls at the establishment.
Hof said that Odom was last seen by two of the girls at 6 a.m. Tuesday morning, and was found unresponsive in his room by one of them this afternoon, who then alerted management. When the 911 operator advised the person to roll Odom on his side, fluid was seen streaming out of his mouth, according to TMZ.