Gorzelanny scrambled to pick up the ball, but it slipped out of his hand as he whirled to throw home. The throw was wild and far from the plate, and Gorzelanny was clearly in agony, either from pain or from frustration.
He was good enough to try a couple throws off the mound, but manager Lou Piniella didn't like what he saw and pulled Gorzelanny from his second start with the Cubs since being acquired from Pittsburgh in a five-player deal on July 30.
"He had his foot X-rayed," Piniella said after the game. "There's no fracture. It means he'll get his regular throw day in a couple days, and then he'll be able to make his next start."
The Cubs have been so snake-bitten by injuries that they seem to have found a knack for making the right anticipatory roster move. Earlier in the day, Chicago called up Esmailin Caridad, a right-handed starter from Triple-A Iowa who had been scheduled to start for Iowa Monday.
Caridad came on for Gorzelanny in the second, retiring Ryan Spilborghs, the first batter he faced in his Major League debut. He walked Todd Helton, then waited out the Cubs' first replay review on a possible grand slam home run by Troy Tulowitzki that was initially ruled foul. The ruling stood, but Tulowitzki singled, driving in two, before Caridad struck out Brad Hawpe to end the inning. He went 5 1/3 innings and let up three runs, two earned.
Gorzelanny was back from a trip to the hospital after the game, dressed for the Cubs' flight home, save for his bare right foot.
"It's not that bad," Gorzelanny said. "There's nothing structurally wrong with it. It's a contusion. I guess that's a good thing."
After pitching 7 1/3 innings of one-run ball against the Reds on Tuesday in his first start since his trade to the Cubs, Gorzelanny was frustrated at a subpar performance and his early departure, and he was optimistic about staying on track and not missing his next start.
"I was disappointed with how I performed today," Gorzelanny said. "I made a couple mistakes and paid for them. I don't want to be taken out of a game just because of an injury. I want to do my best to try and keep us in a game. It just didn't happen.
"We'll see how I feel tomorrow and go from there. I definitely plan on making my next start."
Gorzelanny should have a bullpen session in two days and is scheduled to start Saturday at home against Pittsburgh.
Owen Perkins is a contributor to MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.