Complex sentence: After one year in the A-Youth (U- 19) from Bayer 04 Leverkusen was promoted to the Regionalliga who earned his first professional games, in July 2007 was than called for the Bundesliga team of Bayer 04.
Split into simpler sentences: After one year in the A-Youth (U- 19) of Bayer 04 Leverkusen, he was promoted to the Regionalliga team, and earned his first professional games. In July 2007 he was called for the Bundesliga team of Bayer 04.