Oscar De La Hoya vs. George W. Bush????
It happened ... sorta ... and now, Oscar's explaining why he squared off with the ex-President and even gave him a shot to the breadbasket.
ODLH joined the guys on the "TMZ Sports" TV show (airs Wednesday night on FS1) -- and gave us the blow-by-blow from AT&T Stadium where Canelo Alvarez is set to take on Liam Smith this weekend.
Don't miss the entire interview tonight on FS1.