Complex sentence: Hinkel's international involvement was kept to a minimum when at Sevilla due to lack of first-team football and the emergence of Philipp Lahm as first-choice right back ahead of him.
Split into simpler sentences: Hinkel's international involvement was kept to a minimum when at Sevilla due to lack of first team football. Hinkel has made very few appearances since then as Philipp Lahm is first-choice right back ahead of him.