San Diego Padres' Alexi Amarista, right, is greeted by Will Venable after scoring the go-ahead run off a single hit by Everth Cabrera against the Washington Nationals during the eighth inning of a baseball game Saturday, May 18, 2013, in San Diego. The Padres won 2-1. (AP Photo/Gregory Bull)
Washington Nationals third baseman Ryan Zimmerman picks up a ground ball on his way to getting the out on San Diego Padres' Jedd Gyorko during the fourth inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres' Yonder Alonso, right, is greeted at the plate by Mark Kotsay after hitting a home run against the Washington Nationals during the second inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
Washington Nationals' Chad Tracy (18), is mobbed by teammates after his tie breaking home run in the tenth inning of the Nationals' 6-5 victory over the San Diego Padres in a baseball game in San Diego, Friday, May 17, 2013. (AP Photo/Lenny Ignelzi)
Washington Nationals second baseman Stephen Lombardozzi, right, is caught stealing by San Diego Padres shortstop Everth Cabrera during the ninth inning of a baseball game Saturday, May 18, 2013, in San Diego. The Padres won 2-1. (AP Photo/Gregory Bull)
San Diego Padres first baseman Yonder Alonso, center, comes from first to third to tag out Washington Nationals' Kurt Suzuki, left, to complete a double play as Padres third baseman Chase Headley, right, watches during the third inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres' Chase Headley, right, is tagged out by Washington Nationals catcher Kurt Suzuki, left, after being caught off third base during the seventh inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres starting pitcher Eric Stults throws against the Washington Nationals in the third inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres starting pitcher Eric Stults throws against the Washington Nationals in the first inning of a baseball game Saturday, May 18, 2013, in San Diego. Stults opened the game with five no-hit innings before giving up a single to Nationals' Kurt Suzuki. The Padres won 2-1. (AP Photo/Gregory Bull)
San Diego Padres starting pitcher Eric Stults throws against the Washington Nationals in the first inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
Washington Nationals starting pitcher Jordan Zimmermann throws to a San Diego Padres batter during the second inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres' Yonder Alonso motions upward as he heads home after hitting a home run against the Washington Nationals during the second inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres catcher John Baker, second from right, greets starting pitcher Edinson Volquez (37) after the Padres defeated the Washington Nationals 2-1 in a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
Washington Nationals starting pitcher Jordan Zimmermann throws against the San Diego Padres during the first inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
Washington Nationals manager Davey Johnson talks batting stances with his players before their baseball game against the San Diego Padres on Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
Washington Nationals shortstop Ian Desmond waits for his turn at batting practice before the Nationals' baseball game against the San Diego Padres on Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres' Chase Headley, front, tries unsuccessfully to make it home after being caught off third base as Washington Nationals third baseman Ryan Zimmerman, left, runs him down during the seventh inning of a baseball game Saturday, May 18, 2013, in San Diego. The Padres won 2-1. (AP Photo/Gregory Bull)
Washington Nationals' Chad Tracy high fives with Ryan Zimmerman after his tie breaking home run in the tenth inning gave the Nationals a 6-5 victory over the San Diego Padres in a baseball game in San Diego, Friday, May 17, 2013. (AP Photo/Lenny Ignelzi)
Washington Nationals second baseman Danny Espinosa grabs a ground ball on his way to getting the out at first on San Diego Padres' Mark Kotsay during the fourth inning of a baseball game Saturday, May 18, 2013, in San Diego. (AP Photo/Gregory Bull)
San Diego Padres closer Huston Street holds his head as he walks around the pitchers mound and Washington Nationals' Chad Tracy rounds the bases with a tie breaking home run in the tenth inning of the Nationals 6-5 victory in a baseball game in San Diego, Friday, May 17, 2013. (AP Photo/Lenny Ignelzi)
