NBA big man Lamar Odom is fighting for his marriage, his career, and arguably his life after a recent report by TMZ claims that he used drugs while playing for both the Dallas Mavericks and Los Angeles Lakers.A source told the celebrity gossip site that Odom left plenty of evidence of heavy drug use during a stay in a Memphis hotel in March 2012. Odom was in town with the Mavericks to play the Grizzlies.More on the story from TMZ:Our sources say when Lamar left, hotel employees found major carpet damage ... including quarter-sized burn marks. The damage was so bad, the hotel had to replace the carpeting in the room. Our sources say hotel employees also found white powder on the desk blotter and the room reeked of noxious smoke. Our sources say it was obvious there was serious drug use going on in the hotel room. The Westin is one of numerous hotels where NBA players stay when they're on the road. TMZ has contacted a number of these hotels in various cities. We've learned from several hotel employees ... they had complained about the state of the rooms when Lamar left -- similar to what happened in Memphis -- and this was while he was playing for the Lakers. Sources told TMZ that no one on the Mavericks knew Odom was a heavy drug user while he was playing on the team. However, teammates suspected something was very wrong.It is rumored that Odom abused Oxycontin and cocaine while playing for Dallas and his drug problem was so severe that it even led to his release mid-season.His cocaine use is considered life-threatening.