Fantasy Waiver Wire Week 13: 5 to add, drop, buy low, sell high

• Add Kyren Williams: The Los Angeles Rams running back has worked his way to the top of the team's depth chart and has a series of great matchups before the holidays hit. 
• Drop Curtis Samuel: The Washington Commanders receiver started the season hot, but slowly but surely has played less while earning fewer targets.
• Who to buy and sell in dynasty leagues: The trade deadline has passed in most redraft leagues, so the five to buy low and sell high will be for dynasty leagues going forward. The focus this week is on players slated to hit free agency this offseason.

Estimated reading time: 14 minutes

This piece is a fantasy manager's one-stop shop for managing their fantasy roster early in the week. For more players to add, check out the weekly waiver wire, and for more on this past week's games in general, check out the 10 biggest reactions to Week 12.

5 PLAYERS TO ADD

1. RB Kyren Williams, Los Angeles Rams

The Rams rookie played a bigger role, partially due to Darrell Henderson‘s release but also because he took snaps away from Cam Akers.

• Williams received all of the passing-down work — as he did last week — but he also took half of the early-down snaps.
• He led the team in carries with 11, although he was largely ineffective at 3.2 yards per carry.
• He also finished second on the team in receiving yards (25) after catching three passes.
• The Rams' next three games are all against teams that rank in the bottom eight in terms of fantasy points allowed to running backs. So, while the offense hasn’t played well recently, it could take advantage of some poor matchups.

2. RB Gus Edwards, Baltimore Ravens

Edwards returned from the hamstring and knee injuries that have kept him out since Week 8.

• Edwards returned to the top of the Ravens’ depth chart, running the ball 16 times for 52 yards and a touchdown.
• Kenyan Drake was reduced to splitting time with Justice Hill in passing situations, and the two combined for three carries and one target.
• J.K. Dobbins remains on injured reserve but is eligible to come back whenever he is healthy.
• The Ravens have the easiest schedule for fantasy running backs over the rest of the season. Edwards should be one of the top waiver wire pickups this week, as he can at least help in the short term before Dobbins is back and likely still handle double-digit carries even when Dobbins returns.

3. WR Michael Gallup, Dallas Cowboys

Gallup surpassed Noah Brown for the second spot on the Dallas depth chart on Thanksgiving.

• In the six games Gallup and Brown played together pre-Thanksgiving, Brown had out-snapped Gallup 318-276.
• Of the 94 total snaps out of 12 personnel, the gap was 66-28. 
• Gallup was on the field for the vast majority of 12-personnel snaps in Week 12, giving him a large lead over Brown in total snaps played.
• He caught five passes for 63 yards, his first 50-plus-yard game of the campaign.
• The Cowboys' next two games come against the Indianapolis Colts and Houston Texans. And both teams rank in the top four in preventing fantasy points to wide receivers.
• Gallup could be a factor in the fantasy playoffs, assuming the team doesn’t sign Odell Beckham Jr.