Top stats to know: Redskins at Vikings

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Since 2012 the Redskins are 10-1 when Alfred Morris has 20 or more carries.The Washington Redskins and Minnesota Vikings will kick off Week 10 on Thursday night. Here are five stats to know.

1. Last season Robert Griffin III set the NFL on fire. He posted a Total QBR of 73.2, fifth best in the league (Peyton Manning, Tom Brady, Matt Ryan and Aaron Rodgers were ahead of him).

This season he has struggled as his Total QBR of 42.2 ranks 24th out of 34 qualified quarterbacks. A big reason for the decline is that Griffin has not been as effective as a runner in 2013.

Through eight games in 2012 he posted 476 rushing yards on 70 carries. This season he has just 257 rushing yards on 49 carries. Griffin has also overthrown or underthrown passes 51 times in 2013 after doing so 56 times all of last season.

2. The Redskins offense is best when establishing the run game. In Week 9 Alfred Morris ran the ball a season-high 25 times in an overtime victory over the San Diego Chargers.

It was the first time this season Morris rushed the ball more than 20 times. The Redskins are 10-1 when he has 20 or more rushes since drafting Morris, 3-10 when he’s failed to reach 20 carries.

3. The Vikings are off to a 1-7 start, tied for the worst eight-game start in franchise history (started 1-7 in their inaugural season of 1961). Minnesota won its ninth game against the Baltimore Colts that season and finished 3-11.

4. The Vikings lost in Week 9 despite a great day from Adrian Peterson, something that’s far from uncommon. Peterson rushed for 100 yards and a touchdown in a loss for the 11th time, six more than any other player in the NFL since he entered the league in 2007.

5. The Redskins defense has capitalized on mistakes this season. Washington has scored five defensive touchdowns as a unit, tied for the most in the NFL. The Vikings have turned the ball over 17 times this season, tied for third most in the league.

The Redskins defense has also been staunch on third downs. Opponents are converting just 35.4 percent of their third-down opportunities, a top-10 mark in the league.