The NFL regular season continues to advance as we enter Week 13. With no more bye weeks for any teams, it will be even tougher to find useful players on your waiver wire in fantasy football.

In some fantasy football leagues, the playoffs are getting underway this week. Therefore, every roster move could aid in defeating your opponent or it could end up being the reason why you end your season in shame.

Nevertheless, here are the top 10 waiver wire pickups in fantasy football for Week 13.

Note: All of the players listed are under 50-percent owned in ESPN leagues

10. Patriots' N'Keal Harry (11.3 percent owned)

If you're someone who is in a deeper league and in desperate need of a wide receiver, then it may be worth taking a look at N'Keal Harry. The rookie wide receiver of the New England Patriots caught his first touchdown pass in Week 12 against the Dallas Cowboys.

Dependent on the health of Mohamed Sanu and Phillip Dorsett, Harry could see more time on the field. Picking up Harry and stashing him on your bench could end paying huge dividends to end the season.

9. Jets' Robby Anderson (45.1 percent owned)

The New York Jets' offense is beginning to get into a rhythm as they are playing a favorable part of their schedule. With New York having even more favorable games to end the year, Robby Anderson is an intriguing waiver-wire option.

This past week, Anderson had his most productive outing with 16.6 fantasy points against the Oakland Raiders. Those types of performances are likely to become a bit more common as the Jets begin finding their groove in the passing game.

8. Browns' David Njoku (19.8 percent owned)

Every single year, it gets tougher and tougher to decipher the tight ends who are viable in fantasy football. As a result, you could be someone who's been skimping off of the waiver wire for the entire season.

In the event that you are someone that fits that description, look no further than David Njoku of the Cleveland Browns.

7. Titans' A.J. Brown (15.5 percent owned)

Another rookie makes the list with A.J. Brown of the Tennessee Titans being a player to consider in free agency. The rookie out of Ole Miss has been hot and cold this year but has seemingly built somewhat of a rapport with Ryan Tannehill.

Since Week 7, Brown has averaged a solid 10.2 points per game at wide receiver. Most recently, Brown had his best game of the season with four receptions for 135 yards and a touchdown in Week 12.

6. Bills' Cole Beasley (23.1 percent owned)

The Buffalo Bills don't tend to throw the ball much with their offense centered around imposing their will on the ground. But when Josh Allen puts the ball in the air, it usually goes in the direction of John Brown or Cole Beasley.

Over the course of his career, Beasley has always been an underrated slot receiver and he's beginning to get acclimated to his role with the Bills.

5. Cowboys' Randall Cobb (42.3 percent owned)

The player who replaced Beasley for the Dallas Cowboys was Randall Cobb. After a tumultuous start in Dallas, Cobb has begun to look more comfortable in the Cowboys' offense in recent weeks.

As a matter of fact, over the past three weeks, the veteran pass-catcher has combined for 49.7 points. Dallas has the No. 1 ranked passing offense in the NFL and there's no reason to believe that Cobb won't have a role down the stretch.

4. Seahawks' Rashaad Penny (28.7 percent owned)

Rashaad Penny has spent most of the season warming the bench behind Chris Carson for the Seattle Seahawks. That was until Sunday when Seattle chose to implement their second-year running back a bit more due to Carson's ongoing fumble issues.

The former first-round pick rushed for a career-high 129 yards on 14 attempts and a touchdown in Week 12. Now is the time to grab Penny from free agency before he may become the lead back in Seattle's backfield.

3. Colts' Jonathan Williams (29.4 percent owned)

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Jonathan Williams made the list last week but his ownership percentage is way too low still. Williams checks all of the boxes as a perfect waiver-wire pickup.

Since taking over for Marlon Mack in Week 11, Williams has been given 39 carries. The Indianapolis Colts' backup running back has turned that into 220 yards and a touchdown.

2. Jets' Sam Darnold (18.9 percent owned)

Many were skeptical about signing Sam Darnold in recent weeks despite his favorable schedule. The second-year quarterback has proven to be a nice fill-in option at quarterback with three straight games of 21 or more points.

The next couple of games on Darnold's schedule is too good to pass up and if you're in need of a quarterback, grab Darnold immediately.

1. Titans' Ryan Tannehill (15.4 percent owned)

There haven't been many quarterbacks who have been hotter than Ryan Tannehill over the past month or so. As a matter of fact, since Week 7, Lamar Jackson is the only quarterback who has scored more fantasy points than Tannehill.

The veteran signal-caller had his most productive fantasy outing in Week 12 with 299 total yards and four total touchdowns.