CONOR emerged with Lucan United and made his Ireland U17 debut against Austria in March 2014.
A tall versatile player, Conor is capable of playing in defence, midfield or in attack - sometimes he has been used in more than one role in games.
He captained Ireland in two of the UEFA U17 Championships Qualifying Round games against Gibraltar and Scotland.
Conor joined Liverpool in July 2014. He has made good progress at Anfield and has been close to the first team in the 2016-17 season.
He won 10 U17 caps and played in all ten games for the U19s in the 2016-17 season having made his debut against Ukraine the previous year.
Masterson progressed to the Under-21 squad in 2019 and made his U-21 debut against Luxembourg in March 2019.