359 PA · week 25
this weekHOLD
last weekHOLD
Mike Yastrzemski
data as of September 10, 2026·week 25
Hold · steady skill near league average (0.308); hold steady — skill tracks near league, no edge either way.med 0.60 (narrative held for review)
ROSHR 1AVG .223R 6RBI 4SB 0
Yastrzemski is a hold — near league average, nothing unstable.
ROS projects HR 3 YTD → 1 ROS, AVG .250 YTD → .223 ROS. Stable, rosterable; no clear edge to exploit either way.
VS His Norm
- Barrel %6.5%—−3.0% ▼vs his ~9.5% career norm
Drivers
- xwobaSIGNALskill near league average (0.308)
metric · nowrolling trajectoryvs. leaguestabilized?
Avg Exit Velo90.5 mph
lg avg 89.0 mph ▲+1.5 mphvs his norm —
231 / 50 BBE
Hard-Hit %43.3%
lg avg 40.0% ▲+3.3%vs his norm —
231 / 50 BBE
Barrel %6.5%
lg avg 8.0% ▼−1.5%vs his norm −3.0% ▼
231 / 60 BBE
xwOBA.308
lg avg .315 ▼−.007vs his norm —
359 / 160 PA
wOBA.303
lg avg .315 ▼−.012vs his norm —
359 / 200 PA
Strikeout %24.5%
lg avg 22.0% ▲+2.5%vs his norm —
359 / 60 PA
Walk %10.0%
lg avg 8.5% ▲+1.5%vs his norm —
359 / 120 PA
BABIP.279
lg avg .295 ▼−.016vs his norm +.007 ▲BABIP is above his ~.272 norm — expect it to fall.
231 / 800 BIP
Swinging-Strike %9.8%
lg avg 11.0% ▼−1.2%vs his norm —
359 / 50 PA
Chase %26.1%
lg avg 28.5% ▼−2.4%vs his norm —
359 / 50 PA
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
Barrel% 6.5%→7.9%signal1 HR — Barrel% 6.5% (signal) lifted to career ~9.5% → projected 7.9%.
BABIP 0.279→0.284 regressednoise.223 AVG — BABIP 0.279 is noise, regressed toward xBA-implied 0.286 (xBA 0.235) → 0.284.
on-base + lineup6 R — his run rate over ~37 projected PA.
slugging + lineup4 RBI — his RBI rate over ~37 projected PA.
run rate / role0 SB — his steal rate (1 in 54 G) over ~37 projected PA.
rosterdroprotational counting only
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.