Whether the five-division king scraps current interim WBC welterweight champion Robert Guerrero or IBF welterweight titlist Devon Alexander, Floyd Mayweather Jr confirmed today that his father, Floyd Sr, will work as a cornerman during his bout on May 4 at the MGM Grand in Las Vegas, Nev.

"Me & my trainer (my dad) back working together getting ready for May 4th,” tweeted the nearly 36-year-old Mayweather, a longstanding WBC world welterweight titleholder who was named The Ring “Fighter of the Year” in 1998 and 2007.

Floyd Sr. (28-6-1, 18 KOs), chosen as the 1998 Manager of the Year by the Boxing Writers Association of America, will replace “Pretty Boy’s” uncle, Roger Mayweather, who is reportedly dealing with health issues.

The patriarch of the Mayweather clan, who will either serve as the lead trainer or work in the camp in another capacity, is renowned for being a defensive wizard and expert strategist.

Mayweather (43-0, 26 KOs), a cocky jackass and convicted domestic abuser, last battled on Cinco de Mayo when he overcame powerful Puerto Rican icon Miguel Cotto by unanimous decision to acquire the WBA (Super) & WBC Diamond light middleweight belts.

Comparatively, the 29-year-old Guerrero (31-1-1-2, 18 KOs), also a former WBA and WBO lightweight and two-time IBF featherweight champ, most recently earned a violent unanimous decision win over Andre Berto on Nov. 24 at Citizens Business Bank Arena in Ontario, Calif.

Somewhat similarly to Guerrero, Alexander (24-1, 13 KOs), a 26-year-old southpaw from the gang- and drug-infested Hyde Park neighborhood of north St. Louis, unanimously outscored Randall Bailey on Oct. 20 at the Barclays Center in New York City.

Alexander, also a past WBC and IBF light welterweight king, controversially suffered his lone loss as a professional against unbeaten pugilist Timothy Bradley in January 2011.

Roger “Pit” Perron is a venerable boxing trainer from Brockton (Mass.) who now works with Mike and Rich Cappiello at their gym, Cappiello Brothers Boxing and Training.

“Floyd is the best there is today,” said Perron, 76, who worked with International Boxing Hall of Famer Marvelous Marvin Hagler at the Petronelli Brothers Gym. “He can’t be touched by anyone near his weight.”

Mayweather isn’t getting younger and his inactivity and stint behind bars can only work as a hindrance.

Regardless, although both Alexander and Guerrero pose problems as unorthodox boxers, Mayweather, a bronze medalist as a featherweight at the 1996 Olympics in Atlanta, is a prizefighter for the ages who is absolutely “the best there is today.”

No matter whom “Pretty Boy” decides to meet, father and son Mayweather will exit the squared circle as a victorious duo this spring.