LOS ANGELES, CA - JULY 11: Floyd Mayweather Jr. and Conor McGregor faceoff on stage during the Floyd Mayweather Jr. v Conor McGregor World Press Tour at Staples Center on July 11, 2017 in Los Angeles, California. (Photo by Harry How/Getty Images)

Floyd Mayweather's father revealed a stunner that could shake up the blockbuster bout against Conor McGregor

We'll find out of sure on Saturday, August 26. 

During Tuesday's presser, Conor McGregor and Floyd Mayweather traded barbs, discussing how each would knock the other out.

After the explosive war of words, Mayweather's father revealed that while his son will pick McGregor apart, there won't be any knockout coming from the unbeaten boxing champ. The reason? A mysterious hand injury:

There's a lot to take away from this, but it's hard to read Mayweather Sr. here. He seems nervous, letting the cat out of the bag on Mayweather's potential injury. He could also be building suspense for what has been cast as a one-sided affair with not much of a chance being given to McGregor.

We'll find out of sure on Saturday, August 26.