Complex sentence: Rice caught the ball at the fence, flipped over its top and landed in the stands, disappearing for 15 seconds when he emerged, the ball was in his glove & ump Cy Rigler, called the batter out.
Split into simpler sentences: Rice caught the ball at the fence, flipped over its top and landed in the stands, disappearing for 15 seconds or so. When Rice popped back up, the ball was in his glove and the umpire, Cy Rigler, called the batter out.