Complex sentence: At the Leafs' 1999-2000 home-opener on October 4 1999, Morris was honoured during a pre-game ceremony, and in the third period announced "last minute of play in this period" one last time.
Split into simpler sentences: At the Leafs' 1999-2000 home-opener on October 4 1999, Morris was honoured during a pre-game ceremony. In the third period, he announced "last minute of play in this period" one last time.