Backcheck
Recap · UTA at STL

Mammoth pull away from the Blues

The Mammoth stole one. They lost the expected-goals battle 3.00–3.30 and won anyway.

By the ModelJul 11, 12:51 PMxG: xgboost-0.758Edited for clarity
Away
UTA
Utah Mammoth
7
Home
STL
St. Louis Blues
4
FINAL
Process vs result

The underlying story

3.00Expected goals3.30
52% share for the better side
25Shot attempts (SOG)20
4High-danger chances7
40Corsi (all attempts)40
Score-adjusted: 43% / 57%
Source · NHL play-by-play · XGBoost xG

The Mammoth dominated the scoreboard but surrendered the underlying game to St. Louis. Utah won 7–4 despite the Blues holding an edge in expected goals (3.30–3.00, 52–48%).

The Mammoth's power play was the equalizer. Utah scored twice on eight power-play shots (0.73 xG), capitalizing on numerical advantage when the Blues could not. On rush chances, the gap was starker: Utah converted 5 of 21 chances while St. Louis scored twice on 20 attempts.

Utah also finished at an elite clip in high-danger situations—50% on their high-danger chances (2 of 4)—while scoring two goals from low-danger spots the opposing goalie should routinely deny. The turning point came from Clayton Keller's wrist shot from the top of the circles in the third period (18:20). This elite finishing accounts for most of the 4.00-goal overperformance of Utah's actual output against their 3.00 expected goals.

Blues goalie J. Hofer underperformed badly, surrendering 2.2 more goals than expected against his low workload (3 saves on 6 shots, 0.500 SV%). J. Binnington stabilized later (15 saves on 18 shots, 0.833 SV%). On the other end, K. Vejmelka posted 16 saves on 20 shots for Utah but fell slightly short of expectation (0.800 SV%, -0.70 vs expected).

How the game was won

The danger ladder

shotsgoalsexpected
High dangerslot & crease
UTA2 / 4 · 1.36 xG
STL1 / 7 · 1.64 xG
Medium dangermid-range
UTA3 / 10 · 1.00 xG
STL3 / 11 · 1.28 xG
Low dangerperimeter & point
UTA2 / 26 · 0.64 xG
STL0 / 22 · 0.38 xG

UTA went 3-for-10 from medium danger on 1.00 expected goals — 2.0 above expected.

Source · Backcheck xG model · NHL play-by-play
The luck layer

Finishing vs expected

expectedactual
UTA
7 G · 3.00 xG · +4.0
STL
4 G · 3.30 xG · +0.7
012345678
Goalies · GSAx (goals saved above expected)
K. VejmelkaUTA
-0.7
J. HoferSTL
-2.2
J. BinningtonSTL
-0.7

UTA finished +4.0 against expected, STL +0.7 — J. Hofer (STL) allowed 2.2 more goals than expected.

Source · Backcheck xG model
What they shot — and what went in

Shot diet

goalsshots
UTA
WRIST4/16
SNAP0/4
TIP IN1/5
SLAP1/7
BACKHAND1/2
DEFLECTED0/1
WRAP AROUND0/0
OTHER0/5
STL
WRIST2/14
SNAP1/7
TIP IN0/5
SLAP0/2
BACKHAND0/0
DEFLECTED0/1
WRAP AROUND1/2
OTHER0/9
UTA
STL
Off the rush
5 G on 21 · 2.05 xG
2 G on 20 · 2.47 xG
Off rebounds
1 G on 2 · 0.23 xG
2 G on 4 · 0.58 xG

Wrist shots carried the volume: UTA went 4-for-16, STL 2-for-14. UTA scored 5 of theirs off the rush.

Source · Backcheck xG model · NHL shot types
Three stars · computed, not voted
L. Cooley
#92 · C · UTA
3 G · 1 A · 4 SOG · 18:16 TOI · +2
N. Schmaltz
#8 · C · UTA
1 G · 2 A · 1 SOG · 20:47 TOI · +2
C. Keller
#9 · R · UTA
2 G · 1 A · 2 SOG · 18:14 TOI · +2
Ranked from the box score — points first · Backcheck
What the model flagged
  • J. Hofer (STL) gave up 2.2 goals more than expected — well below their workload.
  • UTA was clinical in the high-danger zone — 2/4 on HD chances (50%).
  • UTA scored 2 goals from low-danger spots — the opposing goalie needs to have those.
  • STL was lethal off the rush — 2 goals on 20 rush chances.
  • UTA was lethal off the rush — 5 goals on 21 rush chances.
  • STL created 4 rebound opportunities (2 converted) — crashing the net effectively.
  • UTA outperformed their expected goals by 4.0 — elite finishing or lucky bounces.
  • UTA power play was dominant — 2 PPG on 8 PP shots (0.73 xG).
Before the game — the model's pre-game read
Preview · UTA at STL · 8:00 PM ET

Mammoth at Blues: a genuine coin flip

By the ModelJul 11, 12:49 PMEdited for clarity
Win probability

The model's lean

51%
UTA
Model favorite
51%
49%
UTA50STL

UTA by 2 points of win probability — effectively a coin flip. Projected score UTA 2.52.5 STL; 18% chance it's tied after 60.

Source · Backcheck Poisson projection · season scoring rates
Season profile · edge from the spine

Tale of the tape

UTA← edge
edge →STL
52.0%5v5 xG%49.0%
53.0%Corsi%48.0%
2.64xGF / 602.34
2.39xGA / 602.40
2.26Goals for / gm2.00
1.99Goals against / gm2.12
1.003PDO — luck, not skill1.000

UTA holds 6 of 6 process categories — and PDO (1.003 vs 1.000) says UTA has run hotter.

Source · MoneyPuck season tables · 5v5

The model projects UTA at 51% win probability—a statistical coin flip. The projected score of 2.5 goals each reflects the total edge: marginal.

Utah owns the underlying play. At 5v5, the Mammoth own 52.0% xG versus 49.0% for St. Louis, and they control territory at 53.0% Corsi. This territorial advantage is real. That said, a three-point gap in xG% and five points in Corsi doesn't translate to a blowout. Both teams' PDO sits near 1.000 (Utah at 1.003, St. Louis at 1.000), meaning neither has been lucky or unlucky—the actual score reflects the play.

The goaltending dimension tilts unpredictably. Both J. Binnington and K. Vejmelka work a back-to-back, which raises the question of fresh legs or starter fatigue. Either club could get a backup or a determined veteran in the crease, and that variable is large enough to erase Utah's underlying advantage.

Utah's offensive engine runs through Dylan Guenther, who generates 1.02 xG per 60 and has converted at a sharp 16.8% clip en route to 28 goals and 15 assists. The volume is there; the finishing is there. Behind him, Daniil But trails slightly in volume (1.01 xG/60) but shoots at only 5.6%—a drag waiting to turn. A lucky shooting night for But could widen the lead; a normal one keeps Utah's advantage thin.

St. Louis counters with Jimmy Snuggerud (0.86 xG/60, 15 goals, 22 assists) and Dylan Holloway (0.82 xG/60, 13 goals, 24 assists). Neither approaches Guenther's output, yet Snuggerud's 11.9% shot conversion and Holloway's 10.8% are both above league average. St. Louis scores from deeper chances; Utah concentrates volume.

The defensive weak point for Utah is Maveric Lamoureux, while Jimmy Snuggerud carries that role for St. Louis—a slight symmetry that neither team can exploit meaningfully in a single contest.

Both teams' 0% high-danger goal and rebound-goal rates are statistical noise in sample size, not predictive. The game lives in the territory battle, the Guenther matchup, and whether either goalie steals a start on the second of a back-to-back.

Utah enters as a light favorite, but the model's 51% is where it belongs: too close to read.

Computed danger · scouting

Players to watch

UTA
Dylan Guenther28G 15A
1.02 xG/60 · 3 HD · 16.8% sh
Daniil But2G 2A
1.01 xG/60 · 1 HD · 5.6% sh
STL
Jimmy Snuggerud15G 22A
0.86 xG/60 · 2 HD · 11.9% sh
Dylan Holloway13G 24A
0.82 xG/60 · 1 HD · 10.8% sh
Source · MoneyPuck skaters