If you’re looking for an edge or some guidance on the best dynasty fantasy football trade to make before the majority of Week 15 kicks off, I’ve got you covered. I’ve highlighted some players I think you should buy, sell, or hold in Week 15, depending on your roster build. Check them out below — and go make some deals.
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Dynasty Fantasy Football Trade Advice Week 15
Buy: QB Tua Tagovailoa, Miami Dolphins
This suggestion might make you throw up a little in your mouth, but hear me out: I actually think Tua Tagovailoa is a decent buy right now. It’s not because I think he’s particularly good — in real life or fantasy. He’s not. Tua is at the bottom of nearly every productivity and efficiency metric out there and is averaging just 185 passing yards per game this season. He’s also tied with Geno Smith for the league lead in interceptions with 14, which is not a stat you want to be leading. Unless you’re a defensive back, of course.
So why on Earth am I even suggesting you go out and buy Tua? Simple: the cost. He’s been meme’d into oblivion with all the concussions, and his value has cratered over the past two seasons. Because of that, snagging the lefty on the cheap could be a sneaky, savvy move.
Deals are being made right now (courtesy of Dynasty Daddy) where Tua can be had for a pair of third-rounders or something way out, like a 2028 Round 2 pick. Someone got him for Tank Dell straight up … Dell has one functioning leg and hasn’t played football in over a year. I also saw him swapped for Michael Penix Jr., who’s going to be recovering from ACL surgery all offseason.
See what I mean? What’s being given up to acquire him is virtually nothing. It’s dirt cheap for a starting QB in Superflex leagues, where we all know you need multiple options at the position if you want to maximize your chances of winning a championship.
Tua Tagovailoa‘s Lifetime Dynasty Value
On KeepTradeCut, Tua’s valued currently as the QB28, behind Penix Jr., Kyler Murray, J.J. McCarthy, and Shedeur Sanders, and just barely ahead of Tyler Shough. If you lost Daniel Jones or need a replacement for Jayden Daniels, Tua could be an inexpensive add who could fill in as your QB2 down the stretch.
His matchups in the fantasy playoffs are killer. Look at where they rank in fantasy points allowed to QBs:
- Week 15: Steelers – 26th (19.8 fantasy PPG)
- Week 16: Bengals – 31st (21.5 fantasy PPG)
- Week 17: Buccaneers – 29th (20.4 fantasy PPG)
If you’re a contender, that schedule is a godsend. Given Miami’s run-heavy nature during their current four-game winning streak, I don’t expect massive blow-up games from Tua. But he should still be able to give managers high-end QB2 output against that slate.
Looking at it from a longer lens, Tua also makes some sense for rebuilders or managers who are retooling. Still only 27, Tua is virtually guaranteed to be the starter in Miami for 2026 because of his contract. His cap hit next year is $56.4 million, and the Dolphins would be on the hook for $99.2 million in dead money if they were to release him before June 1st. That number goes down to $67.4 million if they designate him as a post-June-1st cut, but that’s still more than his salary. It just doesn’t work from a numbers perspective to get rid of him next year. The only potential out for Miami could come in 2027 when the dead cap hit drops down to $34.8 million.
Tua Tagovailoa‘s Contract Details
So, looking at it, you are likely to have Tua as a starter next season, at minimum. Now, whether he plays well enough to start all year is another story, but he should be a viable QB3 you can use during bye weeks or favorable matchups, at the very least. That’s worth sending a couple of third-rounders, in my opinion. I’d even be willing to send a projected late second-round pick for the short-term production and long-term outlook.
Maybe it doesn’t work out, and Tua peters out in Miami next year. But he’s a former first-round pick, which means he’ll latch on somewhere. Some late round picks that likely won’t hit anyway is a price I’m willing to pay.
Sell: RB Kyle Monangai, Chicago Bears
What a meteoric rise for the bruiser out of Rutgers. Kyle Monangai started off his rookie campaign slowly, which is unsurprising for a seventh-round pick. But since Chicago’s Week 5 bye, he’s become a steady presence on offense and one of the best young backs in football.
Monangai already has two RB1 performances under his belt and is the only rookie tailback to have multiple 100-yard rushing outings in 2025. Since Week 7, he’s averaging 12.6 PPR points per game and sits as the RB16 in that span. Not too shabby for a guy a lot of managers probably had to Google up until two months ago.
Because of his production in the David Montgomery role in Ben Johnson‘s offense, Monanagi’s value has soared as of late, rising from RB60 before the season opener all the way up to RB22, where he currently resides.
You know where I’m going with this … if you can get peak value in return for Monangai, you might want to think about moving on from him. Yes, he’s averaging 4.8 YPC, but he’s been middling on the efficiency side of things:
Kyle Monangai‘s 2025 Efficiency
The other issue with Monangai’s game is that he doesn’t catch many passes. He has seen only 19 targets and has only 11 grabs for 97 scoreless yards. He’s exceeding expectations on the ground. As a receiver? Not so much.
I love what he’s doing, and I do think Monangai has a place in fantasy as an RB2/flex option, but the success rate for seventh-round picks producing long-term is extremely minute. Maybe Monangai is an outlier, but how much further can he really rise? He’s an early-down grinder who isn’t involved much in the passing game. With that profile, his upside is capped.
If you can cash out for a late first-rounder or multiple second-rounders, you might want to consider moving on. He’s currently valued around guys like DK Metcalf, Kyle Pitts, and teammate Luther Burden III. I’d take all of them over Monangai straight up. If you don’t have any believers willing to pay proper value, then you can always hold him. But it’s always prudent to explore selling a player when he’s (likely) at his apex in value.
Hold: WR Christian Watson, Green Bay Packers
It’s hard to find a receiver who’s running hotter than Christian Watson right now. Sure, you’ve got Jaxon Smith-Njigba, who’s on a pace for nearly 1,900 yards and 12 touchdowns. And you’ve got Michael Wilson, who apparently evolves into Marvin Harrison Sr. when Marvin Harrison Jr. sits. But other than those guys, Watson has been as good as it gets over the past four weeks.
Since Week 11, Watson has tallied 17 catches on 26 targets, for 264 yards and five TDs. He has produced three WR1 finishes and averaged 18.4 PPR points per game during that span. Don’t touch the stove!
Christian Watson‘s Advanced Metrics
The efficiency metrics are sky-high too; Watson’s been running as pure as possible since his Week 8 return:
- WR2 in QB Rating per target (135.1)
- WR2 in fantasy points per target (2.64)
- WR2 in yards per target (11.9)
- WR3 in yards per reception (18.1)
- WR6 in yards per route run (2.61)
- WR6 in fantasy points per route run (0.58)
- WR12 in first downs per route run (0.116)
As you can see, the man is cooking. You’d love to see more targets go his way — Watson’s only averaging 5.4 per game — as this level of efficiency is nearly impossible to sustain. It will surely taper off at some point, but managers should ride the wave while it’s still barreling.
Watson’s value has understandably shot up like crazy over the past three months, rising from WR82 all the way up to WR35 on KeepTradeCut. But he’s in a weird trade zone: He’s not quite worth a first-rounder, but clearly worth more than a single Round 2 pick, even if it’s an early one.
If you can get someone to pony up a first-rounder — especially a 2027 one — I’d happily flip Watson for that. I’m impressed with the production he is currently providing, but his injury history is extensive. If you aren’t getting that type of return or a player equivalent, then I suggest holding. Watson’s showing that he has what it takes to succeed in this league, and if he can stay healthy, he can be a solid WR2/WR3 for the next couple of seasons.
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Wolf Trelles-Heard is a fantasy football contributor for PlayerProfiler. Find him on X at @DynastyFFWolf.
