Fantasy Football has become almost as popular as the NFL itself. With that being said, many fans across the world are depending on high profile players to come through for them week in and week out. Injuries are unfortunate, but some players are just having a really disappointing year.

Here are the five most disappointing Fantasy Football players this season so far:

1. DeMarco Murray

He had a good game in Week 6 on Monday Night Football, but it's been a down year for DeMarco Murray. Murray broke a lot of records with the Dallas Cowboys last season, but it's been a different story with the Philadelphia Eagles this season. Murray is only averaging 3.4 yards per carry this year, and he only has one game in which he eclipsed the 90-yard rushing mark. Chip Kelly is using Murray a lot differently than he ran last year. This season Murray is running more east and west in a college style offense. Murray currently ranks 31st in rushing yards this season.

2. Peyton Manning

This is an obvious one. Peyton Manning has been a Fantasy Football God in his Hall of Fame career. He's been the most obvious pick among quarterbacks because he stays healthy, and he's consistent and always puts up big numbers. Except this year. Manning is struggling despite the fact that the Denver Broncos are 6-0. The 39-year-old veteran has seven touchdowns and 10 interceptions with a 72.5 passer rating. What the heck is going on? Just last season, Manning threw 39 touchdowns and 15 interceptions. There's no doubt about it: Manning has been the most disappointing Fantasy Football quarterback.

3. Eddie Lacy

Eddie Lacy was one of the highest draft running backs this year. His first two seasons with the Green Bay Packers he finished with more than 1,100 rushing yards in each year. He's young, the Packers have Aaron Rodgers taking all the pressure off Lacy, and he's been healthy. So, what's the problem? Lacy isn't even the leading rusher on his own team. That distinction now belongs to James Starks. Lacy has produced 24 combined touchdowns from scrimmage the last two seasons. He has one this year. If you drafted Lacy early in your league this season, we feel your pain.

4. Andrew Luck

Peyton Manning is off to a cold start, but Andrew Luck isn't exactly lighting it up either in the AFC either. Luck was picked No. 1 overall by many Fantasy Football owners because he's young, always puts up great statistics, and he plays in a weak division. Luck has eight touchdowns and seven interceptions so far this year. His three touchdown performance against the New England Patriots on Sunday Night Football is the only game of the season in which he has thrown more touchdowns than interceptions in a game this year. Luck's passer rating is 75.

5. Jimmy Graham

After Robert Gronkowski, Jimmy Graham has put up some of the best numbers by a tight end in the NFL in recent years. With the New Orleans Saints, Graham was a touchdown scoring machine. Graham recorded 46 receiving touchdowns in the last four seasons with the Saints, but he only has two so far with the Seattle Seahawks this year. Russell Wilson isn't Drew Brees, and the Seahawks are using him quiet differently than Sean Payton did. Things won't get much easier from here. The Seahawks will be running the ball more and more as temperatures begin to drop.

Follow Damon Salvadore on Twitter @DamonSalvadore1