John O'Brien was born on Aug. 29, 1977. He is currently 27 years old and plays as a Wide Midfielder. His overall rating in FIFA 05 is 81 with a potential of 90. He prefers to shoot with his left foot. O'Brien's height is 175 cm cm and his weight is estimated at 75 kg kg according to our database. Currently, John O'Brien is playing with numbers 5 and 15. His best stats are: Tackling: 84, Stamina: 84, Ball Control: 83, Anticipation: 83, Creativity: 83.