Damar Hamlin was discharged from the UC Medical Center and transferred to a Buffalo hospital on Monday ... less than one week after his terrifying on-field health scare.
Dr. Knight and Dr. Pritts -- the physicians who provided round-the-clock care for the Bills safety following the on-field incident -- announced the update just minutes ago ... saying they are thrilled with the improvements he's made in such a short amount of time.
The docs say 24-year-old Damar was up and walking .