Ryan Garcia has learned his fate -- the boxing superstar has agreed to a one-year ban from the sport as part of a settlement with the New York State Athletic Commission ... and his huge win over Devin Haney is now officially a "no contest."
The org. confirmed the agreement to TMZ Sports on Thursday ... saying Garcia's legal team worked with the NYSAC to reach the solution to his performance-enhancing drug investigation.
Along with the ban, 25-1 Garcia will cough up his $1.