Complex sentence: In June 2010, Rivers was a part of the gold medal winning team at the FIBA Americas U18 Championship where he set a Team USA record for an U18 event with 35 points against Canada.
Split into simpler sentences: In June 2010, Rivers was a part of the gold medal winning team at the FIBA Americas U18 Championship. He set a team USA record for an U18 event with 35 points against Canada.