Clyde McIntosh
Clyde McIntosh( born 1958) is a retired British boxer and boxing trainer.
Johnny Greaves (boxer)
Johnny Greaves( born 4 March 1979) is an English former light welterweight professional boxer.
A prolific journeyman, he fought in 100 matches during his professional career, winning four in total- including his final fight.
Rod Salka
Rod Salka( born February 28, 1983) is an American professional boxer and politician.
C. J. Greaves
Colton" C.J." Greaves( born June 1, 1995) is a professional American off- road racing driver from Abrams, Wisconsin.
He raced in the Super Buggy and Pro Light divisions, winning the 2010 Super Buggy championship.
He now races in the Pro Stock UTV division and the Pro 4 division, in which he competes against his father, seven- time Pro 4 champion Johnny Greaves.
Greaves won the 2013 AMSOIL Cup world championship race in his Pro 2 truck.
He won the 2014 Pro 2 championship and made his first Pro 4 start that season.
Greaves won both the Pro 4WD and Pro 2WD class championships in 2015 and 2016 and also won the Pro 4 Championship in 2017, 2018, and 2019.
Greaves has also won Pro Stock UTV Championships in 2017 and 2019.
Greaves is the son and teammate of Johnny Greaves.
Baker Barakat
Baker Barakat is a Kurdish boxer and kickboxer
Johnny Greaves (rugby league)
Johnny Greaves( born 8 May 1943) is a former professional rugby league footballer who played in the 1960s and 1970s.
He played for St. George, Canterbury- Bankstown, New South Wales and for Australia.
Erin McGowan
Erin McGowan( born 9 February 1981) is an Australian lightweight world champion boxer and model.
Javi Barrio
Javier" Javi" Martínez Barrio( born 21 May 1991) is a Spanish footballer who plays for CD Calahorra as a right back.
Gary Stretch
Gary Stretch( born 4 November 1965) is an English former actor, boxer and model.
Marcos Reyes
Marco Antonio Reyes Nevarez( born November 24, 1987 in Chihuahua, Chihuahua, Mexico) is a Mexican professional boxer and the current WBC FECOMBOX Middleweight Champion.
Reyes is trained by former IBF World Champion boxer and current Trainer of the Year, Roberto García.

Question: Do Johnny Greaves (Boxer) and Javi Barrio have the same nationality?
Answer: no