Dedniel Núñez: The Reliever Nobody's Watching Just Posted a 1.28 FIP Over His Last Week
Dedniel Núñez is rostered in just 1% of leagues, and nobody in the fantasy media is talking about him. That's exactly the kind of environment where WaiverScout earns its keep. Early signs suggest the Mets reliever could be emerging as a legitimate late-season asset — and the underlying numbers are difficult to ignore.
What the Rolling Windows Tell Us
Let's start with the headline: over his last 3.3 innings (7-day window), Núñez posted a 0.00 ERA with a 1.28 FIP and an 8.18 K/9. That FIP isn't a mirage built on luck — it reflects genuine swing-and-miss ability paired with limited hard contact. His strikeout rate over the last seven days sits at 30.0%, a tick above his already-strong 28.6% mark over the 30-day window.
Zoom out further and the picture stays compelling. Over his last 10.7 innings (30-day window), Núñez owns a 0.84 ERA, an 8.41 K/9, and a 2.45 FIP. The 14-day window shows a slightly elevated 2.09 ERA and 4.26 FIP, but that blip looks like noise in the context of a small sample rather than a red flag. The broader trend is pointing firmly in the right direction: more strikeouts, fewer runs, and a FIP that's compressing toward elite territory.
The Strikeout Rate Is Real
A 30.0% strikeout rate from a reliever isn't just good — it's the kind of number that sustains value in fantasy even if ERA wobbles. The fact that this rate has been climbing (from 28.6% over 30 days to 30.0% over 7 days) suggests Núñez may be refining his approach or gaining confidence in a putaway pitch. With only 5 games in the recent sample, this is absolutely an early signal, but it's a signal built on skills, not sequencing.
WaiverScout Was Already Tracking This
Here's what makes this interesting: WaiverScout flagged Núñez twice before — on August 18 and September 19 — both times classifying him as deprioritize. At those points, the numbers simply weren't there to justify a roster spot. But the algorithm kept watching, and the signal has shifted. His FIP has dropped from the mid-4s in the 14-day window down to 1.28 over the last week. His strikeout rate has ticked up. The classification has moved from deprioritize to Watch — and that trajectory matters.
Ownership Window
At 1% rostered with stable ownership velocity, there is zero urgency pressure right now. Nobody is racing to grab Núñez. That's both the opportunity and the caveat — the mainstream fantasy world hasn't caught on, which means you have time to monitor. But if the Mets start deploying him in higher-leverage spots down the stretch, that 1% number could move fast.
For context, if you're evaluating the Mets' bullpen landscape, names like Tanner Scott, Emilio Pagán, and Riley O'Brien are occupying the more prominent roles. Núñez's path to consistent fantasy value likely runs through one of those arms faltering or the team expanding his usage in September.
Verdict: Watch
Do not add Dedniel Núñez right now. The sample is small — just 10.7 innings over the 30-day window — and confidence remains at the early-signal level. But a 1.28 FIP, a 30.0% strikeout rate, and a trend line that has upgraded him from deprioritize to Watch in a matter of weeks? That's worth monitoring closely. If you're in a deep league chasing ratios or strikeouts down the stretch, keep Núñez on your shortlist. The moment his role expands, this window closes.