Complex sentence: Ariyibi progressed through to the Under 21's team, he was named as one of Southampton's home grown Under 21 players for the 2012--13 season in the official squad list.
Split into simpler sentences: Ariyibi progressed through to the Under 21's team. He was named as one of Southampton's home-grown Under 21 players for the 2012--13 season in the official squad list.