Complex sentence: Hooper's birthday is March 15 and he celebrates his birthday at a Pistons home game with Roary from the Detroit Lions, Paws from the Detroit Tigers, and many of his other fellow NBA mascots.
Split into simpler sentences: Hooper's birthday is March 15 and he celebrates his birthday at a Pistons home game. Hooper celebrates his birthday with Roary from the Detroit Lions, Paws from the Detroit Tigers, and many of his other fellow NBA mascots.