MLB opening day (36 images)

Former New York Met player Rusty Staubs throws the ceremonial first pitch before the Met's game against the San Diego Padres during the Met's home opener at Citi Field stadium on April 1, 2013 in New York City. UPI /Monika Graff

Former Dodger Sandy Koufax throws out the first pitch before the Los Angeles Dodgers play the San Francisco Giants on opening day at Dodger Stadium in Los Angeles on April 1, 2013. UPI Photo/ Phil McCarten

Emmy Rossum is joined by the choir from Scholar's Academy in Far Rockaway as she sings the National Anthem during the pre-game ceremony of the New York Met's home opening game at Citi Field stadium on April 1, 2013 in New York City. UPI /Monika Graff

Fans pose for pictures before the Los Angeles Dodgers play the San Francisco Giants on opening day at Dodger Stadium in Los Angeles on April 1, 2013. UPI Photo/ Phil McCarten