Complex sentence: After the Games, it was announced that Dover and the Canadian team had not been able to agree on contract renewal terms, but in late 2010 it was announced that Dover would remain as the interim trainer for the first quarter of 2011.
Split into simpler sentences: After the Games, it was announced that Dover and the Canadian team had not been able to agree on contract renewal terms. However, in late 2010 it was announced that Dover would remain as the interim trainer for the first quarter of 2011.