IRVING, Texas -- Cowboys starting running back DeMarco Murray has fumbled twice in the last two weeks, something we don't see a lot of from the second-year man from Oklahoma.

Yet, the fumbles are on his record and heading into the regular season finale at Washington, it was a topic of conversation with Murray on Friday.

"It doesn’t bother me at all," said Murray, who has three total fumbles on the season. "Last week was last week, two weeks ago was two weeks ago. I don’t worry about mistakes. I don’t worry about good plays or if a bad plays happens, it's erased, once a great play happens, it's erased. I have a short term memory, good, bad, negative (and) positive. I just move on and try to make a play the next time."

One of the lost fumbles led to a score and coach Jason Garrett always speaks to his team about ball security. Murray has a touches to fumble ratio of 1.69 this season.

However, Murray doesn't need to be reminded by running backs coach Skip Peete and or Garrett about fumbling because he feels those are negative thoughts.

"For me, when you start ingraining into someone’s head thinking about it, talking about, 'Hey you need ball security.' That's when you start thinking about it and that’s when fumbles tend to happen," Murray said. "(Peete) knows, he's a great coach and he knows how to get his guys ready and I know the ball is important. You got to keep it and keep it away from them, turnovers can hurt you. I just try to play hard and try to play fast."