delivered a game-tying RBI triple in the eighth inning but committed a pair of errors, including a costly one in the 11th that helped the
to a 7-5 victory over the Reds.
An All-Star third baseman, Boone replaced
at shortstop in the ninth inning. He set up Pittsburgh's two-run 11th with a wild throw to first base on a bunt single by
Boone also bobbled a grounder for his 16th error of the season.
"Those are plays that have to be made," he said. "It's tough, it's frustrating. We can't worry about today. It's turn-the-page time."
Stairs and Giles each drove in two runs for the Pirates, who remained perfect at the Great American Ball Park, improving to 5-0. They opened the season by christening Cincinnati's new stadium with a three-game sweep.
D'Angelo Jimenez extended his hitting streak to 14 games for the Reds, who have lost seven of eight and 15 of 19.
"I think it's apparent that we have issues," Boone said. "It shouldn't be hard (to stay motivated). Playing good is fun. That's motivation enough for me."
(1-0) picked up the win with two scoreless innings.
Reitsma allowed two runs, two hits and two walks while recording just two outs in the 11th.
The teams combined to use 11 pitchers - six by Cincinnati.
"It was quite an interesting game," Pirates manager
said. "They had two guys left in the bullpen, we had one."
Giles drove in the game's first run and scored the second before starting pitcher Jeff D'Amico helped himself with an RBI double as Pittsburgh grabbed a 3-0 lead.