I saw the game and though Im happy for the Mets and their fans(Im one), there was a blown call where a ball was hit and called foul . But the reality was it landed on the chalk line; this was clearly not just an opinion since the camera showed the chalk was messed up and smudged where the ball hit. This made the ball fair and should have been called a hit.
That being said, we all know there aint no such thing as a perfect official in any sport and blown calls are a part of any sport.
Kudos to the Mets and Santana !