Complex sentence: Born in Nakuru, Kenya, Osano is a defender who has risen through the ranks at Reading, Osano has been involved with the English youth set-up, but he failed to make a league appearance.
Split into simpler sentences: Born in Nakuru, Kenya, Osano is a defender who rose through the ranks at Reading. He has been involved with the English youth set-up, but he failed to make a league appearance.