Career
Sailer learned his football at local club Turn- und Sportverein Bitzfeld. Whilst still a teenager, he joined VfR Heilbronn. In 2004, he moved to VfR Aalen.
In 2008, he celebrated promotion to the newly formed 3.
Liga with the club He scored the club"s first goal in the new league on 26 July 2008 in a 2–1 victory. That season, Aalen were relegated to Regionalliga Süd and Sailer was released.
He then joined SpVgg Greuther Fürth and signed a two-year contract. After only one year, he left to join 3.
Liga side SV Wehen Wiesbaden, and eighteen months later he moved on again, to 1.
Football Club Heidenheim. After only 18 months at Heidenheim, Sailer joined SV Darmstadt 98 with whom he managed to get, through two successive promotions, into the Bundesliga.