Odom has suffered the loss of two close friends in less than a week.
Just days after the death of his friend Jamie Sangouthai, Lamar Odom is suffering the loss of another close friend, Bobby Heyward.
Us reports that Heyward, 30, died on Saturday, and no cause of death has been announced by the L.A. County Coroner's office yet.
Odom, Heyward and Sangouthai were reportedly all friends. Sangouthai died on June 14 -- allegedly from a drug overdose. Heyward's most recent Instagram post was actually a tribute to his late friend.
"#RIP To my big brother Jamie who always brought light into any room he walked into and laughter as well at all times," Heyward wrote in the caption. "J you will always be missed. Family for life. #BandOfBrothers."
WATCH: Lamar Odom and Khloe Kardashian's Friend, Jamie Sangouthai, Dies at 37
Us' sources have claimed Heyward's death was due to a drug overdose, however no official confirmation has been made by authorities.
For more on Sangouthai passing, and the outpouring of support for Odom and Sangouthai's friends, check out the video below.