the Pirates' Clint Barmes jumps over the Padres' Yasmani Grandal as he turns a double play during the third inning.
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the Pirates' Andrew McCutchen steals second base in front of the tag of Everth Cabrera of the Padres during the first inning at Petco Park in San Diego.
Lenny Ignelzi/Associated Press
Pirates shortstop Clint Barmes pulls a late throw as the Padres' Everth Cabrera steals second.
By Bill Brink Pittsburgh Post-Gazette
SAN DIEGO -- Chase Headley's walk-off home run in the bottom of the 10th inning gave the San Diego Padres a 7-5 victory Tuesday night against the Pirates at Petco Park.
Will Venable walked before Headley hit a 3-2 pitch into the right-field seats off Daniel McCutchen, who joined the team prior to the game.
"I hung a change-up and he hammered it," McCutchen said.
Manager Clint Hurdle said he considered using Joel Hanrahan against the middle of the Padres' order in the 10th, but then "It's Daniel for the rest of the night. Daniel went through one of those last year," Hurdle said, referring to a 19-inning game against the Atlanta Braves in July 2011 when McCutchen pitched 5 1/3 innings of relief.
The Pirates have lost nine of their past 13 games. They are 7 1/2 games out of first place in the NL Central and a half-game ahead of the St. Louis Cardinals and Los Angeles Dodgers in the race for the second wild card spot.
The Pirates trailed entering the top of the ninth, but tied the game to force extra innings. Neil Walker reached on a fielder's choice in the top of the ninth before Garrett Jones hit his second home run of the game off Padres closer Dale Thayer with two outs. The homer tied the game at 5-5 and tied Jones' career high of 21 in a season, which he set in 2009 and '10.
"It was very impressive," Hurdle said. "He said he was going to make some adjustments and obviously he did."
Andrew McCutchen ran down a fly ball at the warning track that Everth Cabrera crushed with two men on to end the ninth inning.
Chad Qualls allowed a run in the eighth. He has now allowed six earned runs in 6 2/3 innings while with the Pirates.
The Padres took the lead in the seventh. Burnett walked Yonder Alonso and allowed a double to Alexi Amarista. He walked Cameron Maybin, the fifth walk he issued in the game, and Hurdle removed him in favor of Tony Watson.
Denorfia pinch-hit and flied out to center, but scored from third to break a 3-3 tie.
Rod Barajas, who entered the game batting .190 and has struggled for much of the past two months at the plate, hit an RBI double in the sixth to break a tie and give the Pirates a 3-2 lead.
A.J. Burnett allowed 12 hits, though several of them were bloops, ground balls that evaded fielders or bunt singles. He pitched 6 1/3 innings and allowed four runs.
Jason Marquis kept the Pirates from producing offense early by mixing his slider and his sinker until the Pirates broke through with two runs in the sixth. Marquis allowed three runs, two earned, on seven hits in 5 1/3 innings.
Members of the Padres' training staff examined Marquis off the field after Pedro Alvarez smashed a line drive back toward the mound that hit Marquis in his left -- non-throwing -- wrist in the second inning, but he stayed in the game.
The Pirates scored in the third inning after Jose Tabata and Travis Snider singled. Andrew McCutchen grounded to third baseman Chase Headley, who threw to second in an attempt to turn a double play. The throw erased Snider, but Alexi Amarista's throw to first was high, and Tabata scored to cut the Padres' lead to 2-1.
The Padres loaded the bases in the third, but Alonso grounded into a double play to end the inning.
Burnett again escaped a bases-loaded jam in the fifth when Amarista grounded out to second to end the inning.
Jones tied the game in the sixth when he hit Marquis' hanging slider for his 20th home run.
Marquis then walked Alvarez and allowed a single to Clint Barmes before leaving the game. Nick Vincent replaced him and allowed a double to Barajas, scoring Alvarez and giving the Pirates a 3-2 lead.
Two ground-ball singles and a bunt single loaded the base with none out in the sixth for the Padres. Jones bobbled Venable's ground ball, allowing Cameron Maybin to score and tie the game at 3-3. Headley struck out and Quentin grounded into a double play to end the inning.