Why was Chad Fox pitching?

In a 7 run lead in the 9th inning why do you put in Chad Fox? Isn't he supposed to be the new closer? I understand the game was closer in the beginning of the 8th inning, but when Dusty started to see the runs come in, isn't it time to put in the fodder that is Jon Liecester? Jon has been brutal all year, he could have used this to try and find a small groove and get some control back, but that would make way too much sense. If Dusty is afraid to put Jon in with a lead that big then maybe, just maybe Jon should be down in the minors pitching and honing his skills.