DEONTAY WILDER added shadow boxing in the river to his Tyson Fury training camp.
Fury will be meeting Fury in Las Vegas for the third time on October 9, and the American will get his revenge.
He shared videos of him breaking his personal record on the bench press and has now added water training.
Wilder posted a video to Instagram showing him exercising in a river and then performing a shadow boxing demonstration.
The clip was captioned by the 35-year-old: "BombZquad#TilThisDay @SharkNDaWater."
Malik Scott, an ex-heavyweight champion of the WBC, has been appointed his new head coach.
The pair insist that the Bronze Bomber will take revenge on Fury and become a world champion at two-weight.
Chris Arreola, a former foe, believes he can do it again.
BETTING SPECIAL – 20/1 ON ENGLAND TO BE OVER ANDORRAArreola answered Fight Hype when asked which pair is feeling more pressure.
"The first fight could have been either way. You could argue that Fury would have won the fight if he [Wilder] hadn't knocked him down.
"In the second fight he [Wilder] got b* kicked. He was given his st.
"Wilder has most to prove and Wilder has more to lose because Fury gave him it.
"I'm taking Wilder; it's true, I'm taking Wilder."