"I've always been comfortable, but every day, every week it's definitely something that you have to continue to work on and continue to make sure you are staying sharp on the inside zone and outside zone and whatnot," Murray said on Friday. "I think every day you have to take it upon yourself to work on different things and make sure you are very comfortable throughout the week.
"I definitely feel like it's coming together. It's a lot of new pieces -- quarterbacks, receivers, running backs -- I think the scheme is definitely a fit for all of us.