No....higher DPI will improve the coverage....if it IS a slider, the likely culprit is the PCV slider (and QBA). The likely issue was the lack of pressure he was getting.
Matt10 in our NCAA thread posted an interesting set today - it played a lot like a good NFL game (bad for NCAA, good for Madden). It actually (in theory) may address a lot of our issues with what I posted yesterday. I'm going to take a quick look at that...