Complex sentence: Hitchcock and the Blue Jackets coaching staff tried to improve Filatov's attention to defensive aspects of the game, but agreed to transfer him back to CSKA Moscow for the remainder of the 2009--10 season.
Split into simpler sentences: Hitchcock and the Blue Jackets coaching staff were trying to encourage Filatov to be more attentive to the defensive aspects of the game. The Blue Jackets agreed to transfer him back to CSKA Moscow for the remainder of the 2009--10 season.