Adrian Peterson had another brilliant season with the Minnesota Vikings in 2015, becoming the NFL's leading rusher after he ran for 1,485 yards from 327 carries across the year.
However, like many other Vikings players, the running back has taken the blame for the 10-9 loss against the Seattle Seahawks in the wild-card round of the playoffs last weekend.
Ultimately, it is Blair Walsh's missed field goal near the end of the game that most people recognise as the reason why the NFC North Champions lost, but he did fumble the ball earlier in the fourth quarter as well, which was a big turning point in the game.
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In that game, Peterson struggled to get the ball moving behind the poor offensive line, and only racked up 45 yards from 23 carries. He took the blame when he spoke to the Star Tribute earlier this week and said: “Without a doubt. I definitely take the blame, without a doubt. We almost had it. Just too many missed opportunities.”
With seven fumbles across the 2015 regular season, this is definitely an area which he needs to improve upon for 2016.
The Vikings running back has recognised this already, as he said in an interview with the Pioneer Press, according to Pro Football Talk: "“The first thing that comes to mind is making sure that I put emphasis on protecting the ball. That’s going to be my No. 1 objective going into this offseason.
"I’ve joked around and said, ‘Yeah, I done put the ball on the turf, but how many have I lost? There’s guys that have lost more fumbles than me this year.’ But when it comes back and it bites you in this type of way, it’s something I want to put an emphasis on.”
He's still the NFL's leading rusher, but his numbers could have been even bigger in 2015 if he had better ball security. No doubt he will still be leading from the backfield for the Vikings in 2016, but the time might be running out for him if his fumbles start to increase more and more.