(TMZ) Glenn Frey, co-founder and guitarist for the Eagles, has died ... TMZ has learned.
We're told the cause of death was a combination of complications from rheumatoid arthritis, acute ulcerative colitis, and pneumonia.
Advertisement - story continues below
Frey had been battling intestinal issues for months and had surgery in November. We're told in the last few days his condition took a turn for the worse. He died in New York City.