Carlos Pena’s walk-off heroics wouldn’t have been possible without Carlos Corporan’s game-tying solo home run in the eighth inning. “That was an amazing at-bat (by Corporan),” said Pena, who drilled a walk-off, three-run homer in the 10th to win 7-4. ‘That pitch was a perfectly executed slider down and in. I have no idea how Corporan was able to keep that ball fair and hit it that far. “It was very impressive. That’s the way he’s been all year. All year he’s come up with some huge hits for us. I joke but I actually mean it, he’s baseball’s best kept secret. I’m like ‘Corporan, we don’t want to reveal [...]