Kalli Mullen

QUINCY — An exhausted Kalli Mullen pulled no punches when revealing her game plan after Saturday’s 19th annual Quincy Derby. “I was in it to win it,” the 14-year-old said. And she did. Almost twice. Mullen recovered from a late setback, roaring out of the Super Stock losers’ bracket to defeat 2022 champion Riley Delgado…