Pete Rose was taken to the hospital by a friend just five days before his death, TMZ Sports has learned ... but after a battery of tests, doctors concluded he was healthy enough to go home.
We broke the story ... 83-year-old Rose was found dead at his Las Vegas home on September 30. Now, we're learning more about the circumstances surrounding his death.
On September 25, an associate of Pete's took him to the hospital 'cause she believed he was "acting different.