PHOENIX, AZ - JUNE 18: David Hernandez #30 of the Arizona Diamondbacks delivers a pitch against the Miami Marlins at Chase Field on June 18, 2013 in Phoenix, Arizona. Arizona won 3-2. (Photo by Norm Hall/Getty Images)

SAN DIEGO, CA - JUNE 16: David Hernandez #30 of the Arizona Diamondbacks sits in the dugout after the San Diego Padres beat the Diamondbacks 4-1 in a baseball game at Petco Park on June 16, 2013 in San Diego, California. (Photo by Denis Poroy/Getty Images)

SAN DIEGO, CA - JUNE 16: David Hernandez #30 of the Arizona Diamondbacks stands on the mound after walking Chase Headley #7 of the San Diego Padres during the eighth inning of a baseball game at Petco Park on June 16, 2013 in San Diego, California. The Padres won 4-1. (Photo by Denis Poroy/Getty Images)

PHOENIX, AZ - MAY 10: Relief pitcher David Hernandez #30 of the Arizona Diamondbacks is congratulated by catcher Miguel Montero #26 after defeating the Philadelphia Phillies in the MLB game at Chase Field on May 10, 2013 in Phoenix, Arizona. The Diamondbacks defeated the Phillies 3-2. (Photo by Christian Petersen/Getty Images)

LOS ANGELES, CA - MAY 07: David Hernandez #30 of the Arizona Diamondbacks pitches during the eighth inning against the Los Angeles Dodgers at Dodger Stadium on May 7, 2013 in Los Angeles, California. (Photo by Harry How/Getty Images)

San Francisco Giants' Brandon Crawford, right, celebrates after hitting a solo home run off Arizona Diamondbacks pitcher David Hernandez with teammate Nick Noonan (21) during the ninth inning of a baseball game in San Francisco, Wednesday, April 24, 2013. (AP Photo/Jeff Chiu)

Fans reach for a home run ball hit by San Francisco Giants' Brandon Crawford off of Arizona Diamondbacks pitcher David Hernandez during the ninth inning of a baseball game in San Francisco, Wednesday, April 24, 2013. (AP Photo/Jeff Chiu)

New York Yankees designated hitter Travis Hafner rounds the bases as Arizona Diamondbacks reliever David Hernandez pulls on his cap after Hafner hit an eighth-inning, solo home run in their 4-3 win in a baseball game at Yankee Stadium in New York, Wednesday, April 17, 2013. (AP Photo/Kathy Willens)

NEW YORK, NY - APRIL 17: Travis Hafner #33 of the New York Yankees celebrates with Brennan Boesch #22 after hitting a home run against David Hernandez #30 of the Arizona Diamondbacks in the eigth inning during their game on April 17, 2013 at Yankee Stadium in the Bronx borough of New York City (Photo by Al Bello/Getty Images)

NEW YORK, NY - APRIL 17: Travis Hafner #33 of the New York Yankees hits a go ahead home run against David Hernandez #30 of the Arizona Diamondbacks in the eigth inning during their game on April 17, 2013 at Yankee Stadium in the Bronx borough of New York City (Photo by Al Bello/Getty Images)

NEW YORK, NY - APRIL 17: Travis Hafner #33 of the New York Yankees celebrates with Brett Gardner #11 after hitting a home run against David Hernandez #30 of the Arizona Diamondbacks in the eigth inning during their game on April 17, 2013 at Yankee Stadium in the Bronx borough of New York City (Photo by Al Bello/Getty Images)

NEW YORK, NY - APRIL 17: Travis Hafner #33 of the New York Yankees hits a go ahead home run against David Hernandez #30 of the Arizona Diamondbacks in the eigth inning during their game on April 17, 2013 at Yankee Stadium in the Bronx borough of New York City (Photo by Al Bello/Getty Images)

NEW YORK, NY - APRIL 17: Travis Hafner #33 of the New York Yankees rounds the bases after hitting a go ahead home run against David Hernandez #30 of the Arizona Diamondbacks in the eigth inning during their game on April 17, 2013 at Yankee Stadium in the Bronx borough of New York City (Photo by Al Bello/Getty Images)

NEW YORK, NY - APRIL 17: Travis Hafner #33 of the New York Yankees hits a go ahead home run against David Hernandez #30 of the Arizona Diamondbacks in the eigth inning during their game on April 17, 2013 at Yankee Stadium in the Bronx borough of New York City (Photo by Al Bello/Getty Images)