week 18
this weekHOLD
last weekHOLD
Kenley Jansen
data as of July 28, 2026·week 18
Hold · wait & see skill near league average (3.48); hold and wait — key skill metric not yet stable enough to call.med 0.50 (narrative held for review)
ROSK 24ERA 3.70WHIP 1.24W 1–1SV 5–9
Jansen is a hold — league-average skill with no story.
ROS projects K 19 YTD → 24 ROS. Stable, rosterable; no clear edge to exploit either way.
VS His Norm
- Strikeout %26.7%—−8.0% ▼vs his ~34.7% career norm
Drivers
- xeraNOISEskill near league average (3.48)
metric · nowrolling trajectoryvs. leaguestabilized?
Hard-Hit % Allowed30.9%
lg avg 40.0% ▼−9.1%vs his norm —
68 / 50 BBE
Barrel % Allowed5.9%
lg avg 8.0% ▼−2.1%vs his norm —
68 / 60 BBE
xwOBA Allowed.290
lg avg .315 ▼−.025vs his norm —xwOBA Allowed is below the ~.315 league average — expect it to rise.
116 / 200 TBF
xERA3.48
lg avg 4.10 ▼−0.62vs his norm —xERA is below the ~4.10 league average — expect it to rise.
116 / 200 TBF
ERA3.90
lg avg 4.10 ▼−0.20vs his norm —ERA is below the ~4.10 league average — expect it to rise.
27.7 / 200 IP
Strikeout %26.7%
lg avg 22.0% ▲+4.7%vs his norm −8.0% ▼
116 / 70 TBF
Walk %14.7%
lg avg 8.0% ▲+6.7%vs his norm +6.9% ▲Walk % is above his ~7.8% norm — expect it to fall.
116 / 170 TBF
BABIP Against.190
lg avg .295 ▼−.105vs his norm —BABIP Against is below the ~.295 league average — expect it to rise.
68 / 800 BIP
Swinging-Strike %13.5%
lg avg 11.0% ▲+2.5%vs his norm —
116 / 60 TBF
Chase %29.5%
lg avg 28.5% ▲+1.0%vs his norm —
116 / 60 TBF
Fastball Velo93.7 mph
lg avg 94.0 mph ▼−0.3 mphvs his norm —
459 / 50 PITCHES
5×5 ROS Outlook
rest of seasonWhere each category goes the rest of the way, and the skill that drives it. Tap a row to expand the full derivation.
statytdrosdriverconf
K% 26.7%→31.7%signal24 K — K% 26.7% (signal) lifted to career ~34.7% → projected 31.7% over ~16 remaining IP.
xERA 3.48noise3.70 ERA — xERA 3.48 (noise) blended 0% skill / 100% league 3.70 at 15 IP.
BB% 14.7% + contactnoise1.24 WHIP — a 15% walk rate plus BABIP-against 0.286 gives a 1.52 skill WHIP, blended 0…
run support + role1-1 W — wins ride run support and how deep he goes, not just skill.
role (closer)5-9 SV — role: closer.
rosterdeep14 SV, 3.70 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.