Backcheck
Recap · PIT at UTA

Penguins hold off the Mammoth

The Penguins stole one. They lost the expected-goals battle 2.72–3.53 and won anyway.

By the ModelJul 12, 7:12 AMxG: xgboost-0.758Edited for clarity
Away
PIT
Pittsburgh Penguins
4
Home
UTA
Utah Mammoth
3
FINAL
Process vs result

The underlying story

2.72Expected goals3.53
56% share for the better side
23Shot attempts (SOG)29
6High-danger chances2
42Corsi (all attempts)68
Score-adjusted: 41% / 59%
Source · NHL play-by-play · XGBoost xG

Pittsburgh stole this. The Mammoth dominated the expected-goal battle 3.53–2.72 (56–44%), controlled 56% of shot attempts (29–23 on goal), and held a 6–2 edge in high-danger chances. The Mammoth should have won. They didn't.

The Penguins overperformed their xG by 1.28 goals while the Mammoth's K. Vejmelka underperformed by the same margin. Pittsburgh's S. Skinner was exceptional, posting a +0.53 save quality mark on 26/29 stops. That gap between expectation and result is the margin.

Noel Acciari's snap shot from the doorstep in the third period was the turning point. Pittsburgh converted high-danger chances at a 50% clip (3 of 6), while the Mammoth wasted their advantage in volume. The Mammoth did score twice from low-danger spots, goals the opposing goalie should steal. Goaltending variance and shooting efficiency determined the outcome: Pittsburgh executed in tight space, the Mammoth didn't, and the result was a 4-3 win.

The Penguins were devastating on the rush, converting 4 of 23 chances into goals. The Mammoth scored twice on 29 rush attempts. Both teams found quick scoring opportunities, but Pittsburgh's edge in high-leverage moments ultimately prevailed.

How the game was won

The danger ladder

shotsgoalsexpected
High dangerslot & crease
PIT3 / 6 · 1.28 xG
UTA1 / 2 · 0.45 xG
Medium dangermid-range
PIT1 / 8 · 0.79 xG
UTA0 / 21 · 2.41 xG
Low dangerperimeter & point
PIT0 / 28 · 0.65 xG
UTA2 / 45 · 0.68 xG

UTA went 0-for-21 from medium danger on 2.41 expected goals — 2.4 left on the table.

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

Finishing vs expected

expectedactual
PIT
4 G · 2.72 xG · +1.3
UTA
3 G · 3.53 xG · -0.5
012345
Goalies · GSAx (goals saved above expected)
S. SkinnerPIT
+0.5
K. VejmelkaUTA
-1.3

PIT finished +1.3 against expected, UTA -0.5 — K. Vejmelka (UTA) allowed 1.3 more goals than expected.

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

Shot diet

goalsshots
PIT
SNAP3/20
SLAP0/5
WRIST1/4
TIP IN0/1
BACKHAND0/3
DEFLECTED0/0
OTHER0/9
UTA
SNAP1/17
SLAP0/12
WRIST1/7
TIP IN0/7
BACKHAND0/2
DEFLECTED1/2
OTHER0/21
PIT
UTA
Off the rush
4 G on 23 · 2.07 xG
2 G on 29 · 2.30 xG
Off rebounds
0 G on 2 · 0.25 xG
0 G on 2 · 0.33 xG

Snap shots carried the volume: PIT went 3-for-20, UTA 1-for-17. PIT scored 4 of theirs off the rush.

Source · Backcheck xG model · NHL shot types
Three stars · computed, not voted
E. Karlsson
#65 · D · PIT
0 G · 2 A · 1 SOG · 26:50 TOI · +2
P. Wotherspoon
#28 · D · PIT
0 G · 2 A · 0 SOG · 21:35 TOI · +2
D. Guenther
#11 · R · UTA
2 G · 0 A · 5 SOG · 20:18 TOI · +1
Ranked from the box score — points first · Backcheck
What the model flagged
  • PIT stole this one. UTA owned 56% of the xG and lost.
  • K. Vejmelka (UTA) gave up 1.3 goals more than expected — well below their workload.
  • PIT was clinical in the high-danger zone — 3/6 on HD chances (50%).
  • UTA scored 2 goals from low-danger spots — the opposing goalie needs to have those.
  • UTA was lethal off the rush — 2 goals on 29 rush chances.
  • PIT was lethal off the rush — 4 goals on 23 rush chances.
  • PIT power play was dominant — 2 PPG on 12 PP shots (0.71 xG).
Before the game — the model's pre-game read
Preview · PIT at UTA · 9:00 PM ET

Penguins at Mammoth: a genuine coin flip

By the ModelJul 12, 7:09 AMEdited for clarity
Win probability

The model's lean

53%
UTA
Model favorite
47%
53%
PIT50UTA

UTA by 6 points of win probability — a modest lean. Projected score PIT 2.52.7 UTA; 18% chance it's tied after 60.

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

Tale of the tape

PIT← edge
edge →UTA
51.0%5v5 xG%52.0%
50.0%Corsi%53.0%
2.66xGF / 602.64
2.55xGA / 602.39
2.45Goals for / gm2.26
2.12Goals against / gm1.99
1.012PDO — luck, not skill1.003

UTA holds 4 of 6 process categories — and PDO (1.012 vs 1.003) says PIT has run hotter.

Source · MoneyPuck season tables · 5v5

The models call this a pick'em: Utah at 53% win probability, projected between 2.5 and 2.7 goals per side. No clear edge emerges from the fundamentals.

Utah wins the territorial battle. Their 53.0% Corsi and 52.0% expected goals eclipse Pittsburgh's 50.0% and 51.0%, meaning the Mammoth will spend more of the game in the offensive zone. Both teams are outperforming their shot metrics (PDO: PIT 1.012, UTA 1.003), a regression waiting to happen.

Rickard Rakell is Pittsburgh's shot engine, generating 1.01 xG per 60 minutes across 13 goals and 13 assists. His 12.1% shooting rate means he's beating the average, not riding variance. Dylan Guenther mirrors Rakell's shot production (1.02 xG/60) but stacks 28 goals and 15 assists on a stunning 16.8% conversion—elite-tier finishing, not luck.

Daniil But projects a secondary threat for Utah: 1.01 xG/60 channeled into just 2 goals and 2 assists, a gap that suggests either sharp variance suppression or a player due for regression. Filip Hallander, Pittsburgh's highest-volume shot creator at 1.28 xG/60, faces uncertain status after recall from the AHL for additional evaluation.

Both sides are remarkably inefficient on secondary chances—0% HD goal rate, 0% rebound goal rate—concentrating their threat on prime looks. Utah's possession dominance sets up the framework, but Pittsburgh's shot efficiency could override it. That's why this one stays a true toss-up. Caleb Jones and Maveric Lamoureux represent defensive pressure points either team could exploit.

Computed danger · scouting

Players to watch

PIT
Filip Hallander0G 3A
1.28 xG/60 · 0 HD · 0.0% sh
Rickard Rakell13G 13A
1.01 xG/60 · 3 HD · 12.1% sh
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
Source · MoneyPuck skaters