Complex sentence: On 7 March 2011, Bayern Munich declared that Van Gaal's contract was to be cancelled after the end of the 2010--11 season, nevertheless he was sacked on 10 April 2011 after losing the third place in the Bundesliga.
Split into simpler sentences: On 7 March 2011, Bayern Munich declared that Van Gaal's contract was to be cancelled after the end of the 2010--11 season. However, he was instead sacked on 10 April 2011 after losing the third place in the Bundesliga.