John O'Sullivan player profile displays all matches and competitions with detailed statistics for all the matches he played in. Most important stats for each competition, including average Gioscore rating, matches played, goals, assists, cards and other relevant data are also displayed.

Gioscore is the livescore place for you in internet and uses a unique algorithm to generate John O'Sullivan Gioscore rating based on detailed statistics, analyses and our own knowledge.

Gioscore livescore app is available as an iPhone and iPad app, Android app on Google Play and Windows phone app. You can find us in all stores on different languages searching for Gioscore. Install the Gioscore app and follow all matches live on your mobile!