Complex sentence: However, during the 2015 OFC U- 17 Championship Gabriel Taumua of American Samoa made his debut at the age of 12.In the 2013 OFC U- 17 Championship Preliminary he was nominated for the golden boot of the tournament.
Split into simpler sentences: However, during the 2015 OFC U- 17 Championship Gabriel Taumua of American Samoa made his debut at the age of 12. Two years later, in the 2013 OFC U- 17 Championship Preliminary he was nominated for the golden boot of the tournament.