About Mark Sloan

Mark Everett Sloan (1968-2012) was originally known for being the man-whore who wrecked Addison and Derek's marriage. However, he moved to Seattle and finally managed to win Derek back as a friend and started making other friends. He even decided to become a better person and change his ways. He and Lexie Grey had an on and off relationship; even when they were not dating, he was very much in love with her. However, Mark and Lexie, along with some of the other doctors, were in a plane crash. Lexie died not long after the crash of her injuries. Mark was rescued from the woods, but spent two months trying to recover before ultimately falling into a coma. After 30 days in the coma, his life support was removed and he died.


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-taken from Grey's Anatomy Wiki