"You have milliseconds -- not even seconds -- and it's not like you try to do it," said Finnegan, a five-year veteran who made the Pro Bowl in 2008. "It just so happens in that split-second you have a chance to tackle a guy, and sometimes it happens to be that way. Last year, having to dive at guys' knees because you're not sure. ... If they duck, and you're still helmet-to-helmet with them, then it is your fine, it is a penalty on you.