句子见补充说明And at New York's Shea Stadium,a furry discovery down

句子见补充说明
And at New York's Shea Stadium,a furry discovery down on the field.A cat popped out as the ground crew unrolled some turf,disturbing the feline's temporary home.The creature was no help for the Mets.They lost to the Yankees.
每个词,每个句子都基本上明白,但是连起来这一段话就不知道是什么意思了,各个句子之间有什么关联呢?