MLB Daily DeltaWeek 17 · July 18, 2026
Engraved portrait of Grayson Rodriguez
week 17
this weekHOLD
last weekNO CALL

Grayson Rodriguez

LAA·P
data as of July 18, 2026·week 17
new call as of July 18, 2026
Hold · wait & see BABIP-against 0.340 elevated and unstable, the 7.55 ERA overstates the damage; but luck-free xERA 6.94 is +2.84 vs league, the level it regresses to is below average, not a buy; hold and wait — key skill metric not yet stable enough to call.med 0.55
ROSK 57ERA 4.10WHIP 1.30W 4–9SV 0

Grayson Rodriguez is a hold — not as bad as the ERA, not as good as the velo.

His 7.55 ERA looks terrifying, but the building blocks tell a more nuanced story. His BABIP-against is .340, 45 points above league average, and BABIP-against needs around 800 balls in play to be reliable — he has 104. That gap explains a chunk of the surface damage. His expected ERA is 6.94, still 2.84 runs above the league average of 4.10, but xERA itself is not yet reliable at 146 batters faced (it stabilizes around 200). The underlying skill metrics are mixed: he allows barrels at a league-average rate (8.7%) but hard contact is high (51.0% vs. 40.0% league). His strikeout rate is 16.4%, well below the 22% league average, and his swinging-strike rate (9.8%) and chase rate (22.3%) both lag. The fastball is elite at 96.2 mph, but the off-speed is not yet turning that velo into whiffs. Limited data: this call rests on the first stable sample of the season. If you own him, hold and wait for more innings — the ERA is noisy but the skill is not a buy. The 57 K / 4.10 ERA / 1.30 WHIP line justifies holding, but as a drop-tier arm, treat him as a streaming-only play.

VS His Norm

  • Strikeout %16.4%—−8.9% ▼vs his ~25.3% career norm

Drivers

  • babip_againstNOISEBABIP-against 0.340 elevated and unstable — the 7.55 ERA overstates the damage
  • xeraNOISEbut luck-free xERA 6.94 is +2.84 vs league — the level it regresses to is below average, not a buy
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed51.0%
believable since Jun 451.0%*
lg avg 40.0% ▲+11.0%vs his norm —
104 / 50 BBE
Barrel % Allowed8.7%
8.7%*
lg avg 8.0% ▲+0.7%vs his norm —
104 / 60 BBE
xwOBA Allowed.394
.394*
lg avg .315 ▲+.079vs his norm —xwOBA Allowed is above the ~.315 league average — expect it to fall.
146 / 200 TBF
xERA6.94
6.94*
lg avg 4.10 ▲+2.84vs his norm —xERA is above the ~4.10 league average — expect it to fall.
146 / 200 TBF
ERA7.55
7.55*
lg avg 4.10 ▲+3.45vs his norm —ERA is above the ~4.10 league average — expect it to fall.
31 / 200 IP
Strikeout %16.4%
norm16.4%*
lg avg 22.0% ▼−5.6%vs his norm −8.9% ▼
146 / 70 TBF
Walk %11.0%
norm11.0%*
lg avg 8.0% ▲+3.0%vs his norm +2.9% ▲Walk % is above his ~8.2% norm — expect it to fall.
146 / 170 TBF
BABIP Against.340
.340*
lg avg .295 ▲+.045vs his norm —BABIP Against is above the ~.295 league average — expect it to fall.
104 / 800 BIP
Swinging-Strike %9.8%
9.8%*
lg avg 11.0% ▼−1.2%vs his norm —
146 / 60 TBF
Chase %22.3%
22.3%*
lg avg 28.5% ▼−6.2%vs his norm —
146 / 60 TBF
Fastball Velo96.2 mph
96.2 mph*
lg avg 94.0 mph ▲+2.2 mphvs his norm —
573 / 50 PITCHES

5×5 ROS Outlook

rest of season

Where each category goes the rest of the way, and the skill that drives it. Tap a row to expand the full derivation.

statytdrosdriverconf
K% 16.4%→21.5%signal57 K — K% 16.4% (signal) lifted to career ~25.3% → projected 21.5% over ~45 remaining IP.
xERA 6.94noise4.10 ERA — xERA 6.94 (noise) blended 0% skill / 100% league 4.10 at 14 IP.
BB% 11.0% + contactnoise1.30 WHIP — a 11% walk rate plus BABIP-against 0.301 gives a 1.61 skill WHIP, blended 0…
run support + role4-9 W — wins ride run support and how deep he goes, not just skill.
role (starter)0 SV — role: starter, not in the save mix.
rosterdrop57 K ROS, 4.10 ERA

Every projection traces to a sabermetric input. The driver and confidence shown per row are always visible; tap any row to expand the full derivation.

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