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Waiver Buzz 5/4: Dustin May's Regression Case, Boyd Returns, and the Closer Carousel Spins Again

The highest-conviction grabs this week are [Dustin May](/players/669160) (18%) on a clean FIP-driven buy signal, [Matthew Boyd](/players/571510) (73%) as an IL stash with elite peripherals, and [Nathaniel Lowe](/players/663993) (7%) riding a legitimate power surge. Fade the ratio mirages from [Nick Martinez](/players/607259), [Clay Holmes](/players/605280), and [Kyle Finnegan](/players/640448) before the regression bill comes due.

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May 4, 2026

Waiver Buzz 5/4: Dustin May's Regression Case, Boyd Returns, and the Closer Carousel Spins Again

The highest-conviction grabs this week are Dustin May (18%) on a clean FIP-driven buy signal, Matthew Boyd (73%) as an IL stash with elite peripherals, and Nathaniel Lowe (7%) riding a legitimate power surge. Fade the ratio mirages from Nick Martinez, Clay Holmes, and Kyle Finnegan before the regression bill comes due.

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At-a-Glance: 9 Actionable Adds

PlayerTeamPosOwn %L14 HeadlineSignalReason
Dustin MaySTLSP▓░░░░░░░ 18%11.1IP · 7K · 2.43 ERABuy (70.2)FIP 4.01 vs ERA 5.84 — due correction
Matthew BoydCHCSP▓▓▓▓▓▓░░ 73%8.2IP · 9K · 1.63 FIPBuy (69.9)IL stash, elite peripherals
Nathaniel LoweCIN1B▓░░░░░░░ 7%11-36 · 5HR · 10 RBIBuy (60.5)Power outburst, near-empty rosters
Chris PaddackMIASP░░░░░░░░ 3%8.2IP · 8K · 7.68 ERABuy (64.4)FIP 4.70 vs ERA 6.38
Max MeyerMIASP▓▓░░░░░░ 27%17.1IP · 20K · 1.05 ERAHold (44.4)Elite K rate, SP#3 lock
Sean BurkeCWSSP/RP▓░░░░░░░ 16%19.1IP · 15K · 0.94 ERAHold (40.9)15:2 K:BB, breakout shape
Nick GonzalesPIT2B/3B/SS▓░░░░░░░ 11%21-53 (.396) · 7RHold (52.7)Multi-pos, hot bat, lineup lock
Jack LeiterTEXSP▓▓▓░░░░░ 32%11.0IP · 9K · 5.73 ERAHold (49.4)FIP 3.87 — ERA regresses down
Jacob LatzTEXSP/RP▓▓░░░░░░ 25%5IP · 3 SV · 0.00 ERASell (35.7)Saves now, FIP 3.05 says fade

Deep Dives

Dustin May (SP, STL, 18% owned)

  • L14 line: 2G, 11.1 IP, 7 K / 3 BB, 2.43 ERA.
  • Underlying: Season ERA sits at 5.84 but FIP is 4.01 — a near-two-run gap that screams sequencing/BABIP noise. The recent 2.43 ERA is closer to his true level than the headline number.
  • Role / playing time: Cardinals SP#4. Healthy, taking the ball every fifth day, no IL flag.
  • Recent news: No tweet flags in the data block.
  • Verdict: Strong add in 10+ team leagues. Buy signal of 70.16 is the highest pitcher score on the wire. Get him before the surface ERA catches up to the FIP.

Matthew Boyd (SP, CHC, 73% owned)

  • L14 line: 2G, 8.2 IP, 9 K / 2 BB, 7.68 ERA.
  • Underlying: That ERA is a complete mirage — FIP is 1.63. Season ERA 5.79 vs FIP 1.63 is the largest gap on the board. 9 K and 2 BB in 8.2 IP is ace-level stuff.
  • Role / playing time: Cubs SP#5, currently on the IL. Stash now while owners panic.
  • Recent news: No tweet entries provided.
  • Verdict: Bench-stash bordering on strong add. Buy 69.85. Just over the 70% cutoff but if he's in your free-agent pool, he's the best name available.

Max Meyer (SP, MIA, 27% owned)

  • L14 line: 3G, 17.1 IP, 20 K / 4 BB, 1.05 ERA.
  • Underlying: 20 K in 17.1 IP is a 30%+ K rate. Walk rate is clean. Signal flagged Hold only because of sample size — there's no negative peripheral here.
  • Role / playing time: Marlins SP#3, no IL flag. Locked rotation spot.
  • Recent news: None in the data.
  • Verdict: Strong add. Hold signal (44.44) is conservative; the K stuff is real and the rotation slot is secure. Grab him in any league still letting him sit at 27%.

Sean Burke (SP/RP, CWS, 16% owned)

  • L14 line: 3G, 19.1 IP, 15 K / 2 BB, 0.94 ERA.
  • Underlying: 15:2 K:BB across 19.1 IP is elite command. Signal is Hold (40.85) only because the sample is short — no peripheral red flag.
  • Role / playing time: White Sox SP#4, healthy. Wins will be scarce on a bad team but ratios + Ks travel.
  • Recent news: None flagged.
  • Verdict: Streamer with upside to become a season-long add. The strikeout-to-walk profile is the kind that survives small samples.

Nathaniel Lowe (1B, CIN, 7% owned)

  • L14 line: 9G, 11-36 (.305), 5 HR / 10 RBI / 8 R / 0 SB, 3 BB / 6 K.
  • Underlying: Sample-size Hold flag from the model, but 5 HR in 9 games with a 60.48 buy score means the contact and power data are tracking. Strikeout rate is manageable (6 in 36 AB).
  • Role / playing time: Listed as 1B#3 in CIN — that's the concerning piece. Playing time isn't fully secure, but the bat is forcing the lineup card.
  • Recent news: None.
  • Verdict: Strong add at 7% ownership. Buy 60.48. Corner-infield need? This is your guy.

Nick Gonzales (2B/3B/SS, PIT, 11% owned)

  • L14 line: 12G, 21-53 (.396), 0 HR / 6 RBI / 7 R / 1 SB, 4 BB / 9 K.
  • Underlying: Hold signal (52.68) due to sample, but a .396 stretch with triple eligibility is hard to ignore. No power yet, but contact is loud.
  • Role / playing time: Pirates 3B#1 — locked starter with 2B/3B/SS eligibility, which is the real prize.
  • Recent news: None flagged.
  • Verdict: Strong add in deeper leagues, streamer in 12-team. The multi-position eligibility alone justifies the bench spot.

Chris Paddack (SP/RP, MIA, 3% owned)

  • L14 line: 2G, 8.2 IP, 8 K / 2 BB, 7.68 ERA.
  • Underlying: Season ERA 6.38 vs FIP 4.70 — meaningful gap. 8 K / 2 BB in the recent window says the stuff is playing even when the runs aren't.
  • Role / playing time: Marlins SP#5, healthy.
  • Verdict: Deep-league streamer. Buy 64.43. Won't win you the week, but the regression case is real if you need IP.

Quick Hits

  • Jack Leiter (32% owned): 5.73 ERA hides a 3.87 FIP and 9 K in 11 IP — Hold (49.38), but the arrow is up.
  • Lucas Erceg (49% owned): 4 saves and the CL#1 tag in KC. Walks (7 in 7 IP) are scary, but he has the job today.
  • Bryan Baker (52% owned): 4 saves, 0.00 ERA, 5 K / 0 BB in 4 IP. Tampa's CL#1 — saves are saves.
  • Brice Matthews (1% owned): 12-41 with 2 HR and 2 SB, listed as Astros CF#1. Free speculative add in NL/AL-only formats.
  • Aaron Civale (14% owned): 10.1 IP, 8 K / 2 BB, 2.67 ERA as ATH SP#3. Hold (41.06) but a usable streamer right now.

Skip / Already Gone

Over 70% owned and excluded from deep coverage: Justin Wrobleski (61% — flagged Strong Sell 24.25, velo down 2.2 mph), Clay Holmes (64% — Strong Sell 22.37, FIP 4.33 vs 2.10 ERA), Chase DeLauter (64% — BABIP rebound candidate), Braxton Ashcraft (65% — Hold), Louis Varland (65% — Sell 36.24, ratio mirage), Ildemaro Vargas (66% — .365 BABIP fade), Matthew Boyd (73% — covered above as IL stash exception), Kazuma Okamoto (74%), Kris Bubic (76%), Emerson Hancock (77% — Sell 33.09).

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