Southport | Defender
Full Name: Mark O'Brien
Nationality: Ireland
Position: Defender
Born: 20 Nov 1992
Height: 1.80 m (5 ft 11 in)
Weight: 76.64kg
Mark Leo O'Brien (born 20 November 1992) is an Irish professional footballer who plays as a defender for National League club Southport, on loan from League Two club Luton Town.