Breaking down Heisman and CFP odds: The case for Iowa, Kentucky, UCLA and USC

The Top 25 has some unexpected names near the middle of the season. No, 12 UCLA is unbeaten, No. 15 Kentucky and No. 17 Iowa have one loss, and 6-1 USC has played its way back into the playoff conversation. Each arrived here differently so I asked the same four questions: What is driving the start, is it repeatable, what could derail it, and how manageable is the remaining schedule? Here's a look at the four teams plus a quick glance at what's happening in the Heisman race.