Complex sentence: In February 2008 Red Bull Salzburg loaned him out for five months to Swiss Super League team Basel, where he was part of the team that won the 2008 league championship title and the 2008 Swiss Cup.
Split into simpler sentences: In February 2008 Red Bull Salzburg loaned him out for five months to Swiss Super League team Basel. The club went on to win the 2008 league championship title and the 2008 Swiss Cup.