PITTSBURGH -- For the second time in four days, D-backs catcher Chris Iannetta delivered a game-tying home run in the ninth.
Unlike Friday night in Milwaukee, though, Arizona wasn't able to turn that moment into a win as Archie Bradley gave up a homer of his own in the bottom of the ninth as the Pirates beat the D-backs, 4-3, at PNC Park.
The Bucs took a 3-1 lead into the ninth and closer Tony Watson retired the first two batters of the frame.
Throughout the inning, D-backs manager Torey Lovullo was planning on using Iannetta to pinch-hit when he would represent the tying run.
"We definitely wanted Chris to walk up there with a man on," Lovullo said. "It was just a matter of who was going to get on for him."
It turned out that person was Daniel Descalso, who pinch-hit for Jeff Mathis and singled to center. Lovullo then sent Iannetta up to hit for the pitcher's spot.
"I think he loves those moments," Lovullo said. "He did it obviously in Milwaukee with two outs. The same situation comes up and he was joking about it with me that he'd get the job done. He's a man of his word. More importantly, he gave us a huge boost in a moment we needed it and gave us a chance to play some extra baseball."

Whereas he hit a 98-mph fastball off Corey Knebel in Milwaukee, Iannetta got a changeup from Watson.
"I was just trying to get a pitch to hit or get on base," Iannetta said. "It was just one or the other, just find a way to extend the inning. I was able to get to 3-2, get a pitch over the plate and was able to get the barrel to it."
Did he really tell Lovullo that he would come through if he sent him up to hit?
"I was just joking," Iannetta said. "I didn't actually think it was going to happen. Sometimes it goes your way, sometimes it doesn't. It's just about grinding out at-bats and trying to get as many good pitches to hit and hit the good ones, and if the pitcher makes a pitcher's pitch, then move onto the next one."
While he played a key role in a moment of celebration for the D-backs, he also had an up-close view of Andrew McCutchen's walk-off homer to lead off the bottom of the ninth, which came on a 97-mph fastball from Bradley.
"It's part of the game," Iannetta said. "We're coming right at guys and you tip your cap when they get the best of you at times. It just happens. You're going to long stretches where you do really well, and you're going to take your bump every once in a while. It's just one of those things where you take the loss, you process it and then come out tomorrow and try to go right back at it and try to get a win."