Chris Carpenter is a career .118/.145/.150 hitter in 439 major league at-bats. He has eight doubles and two home runs, one of them a grand slam. In four at-bats in the 2012 postseason, the St. Louis Cardinals big, angry ace has two doubles. In Game 2 of the NLCS he doubled in his first at-bat, tying the score at 1-1 and erasing the San Francisco Giants' first home lead of the postseason.
That's the sort of thing Chris Carpenter seems to do in his quest to make himself the official action hero of the St. Louis Cardinals. Already this year he's come back from a surgery that required the removal of one of his ribs, returned to the postseason to get a win after making three regular-season starts, and now hit a double to tie the score after giving up a leadoff home run.
Cardinals fans have gotten used to this sort of thing right now in aggregate, but the individual plays are still incredible to watch. Eventually Chris Carpenter will suffer some injury or become ineffective in a way that he's unable to fight back from, but it appears that it hasn't happened yet.