C · UTA · NHL id 8477070
Liam O'Brien has played 38 games for the Utah Mammoth in 2025-26, scoring 3 goals and 1 assist (4 points) on 35 shots while averaging 9:09 a night (9:03 at even strength, 0:01 on the power play and 0:00 shorthanded). At 5v5 he has skated 90% of his 5v5 minutes with Kevin Stenlund and 80% with Brandon Tanev over the last 10 games, and the Mammoth have controlled 48% of shot attempts with O'Brien on the ice (6-12 in goals, 56% offensive-zone starts). In the Mammoth's most recent game against VGK he was on L3 with Kevin Stenlund and Brandon Tanev and off the power play. He is shooting 8.6% this season against 5.8% across the 254 games in our data.
Right now
From the Apr 27 game vs VGK, detected from shift data
Deployment timeline
2025-26 · per-game ice time by strength, with line and power-play unit changes
Usage: 9 games, 9:02 average time on ice, PP1 in 0 games, 1 line changes.
- Even strength
- Power play
- Penalty kill
- 5-game average
- Did not play
- ▲ promoted · ▼ demoted
NHL EDGE tracking
2025-26 percentiles among skaters at his position
Season-level NHL EDGE puck and player tracking, refreshed nightly. The percentile is the league rank among skaters this season; the label at the right is the raw value.
Shot map
2025-26 · 88 attempts, 35 on goal, 3 goals
Shot map, OPP at UTA: 88 attempts, 35 on goal, 3 goals, 4.58 expected goals; best chance Liam O'Brien at 0.37 xG.
- Even strength
- Power play
- Penalty kill
- Goal
- Shot on goal
- Missed
- Blocked
Luck
2025-26 · 38 GP · 4 points vs 6.3 expected
Last 20 games: -43. Positive means running hot (sell), negative running cold (buy).
- 8.6%
- 96.9
- 66.7%
- G vs xG
- 3 / 3.2
- • Role rose over the last 10 games (1 promotion event): some of the heat may be real.
- • Shot diet improved: 0.076 xG per attempt lately vs 0.062 before (more from the slot).
- Actual goals
- Expected
- ±1σ
- Above expected
- Below expected
Player analytics
Compare with another player →2025-26 regular season. Rank is among all qualified players; the bar is his percentile among forwards. Each stat links to its explainer.
Fantasy box score
- Games played38
- Goals3525th of 715
- Assists1701st of 715
- Points4675th of 715
- Power-play points0437th of 715
- Shorthanded points0227th of 715
- Shots on goal35616th of 715
- Hits115134th of 715
- Blocked shots14655th of 715
- Plus/minus−6472nd of 715
- Penalty minutes43157th of 715
- Faceoffs won6349th of 715
Possession & shot quality (5-on-5 on-ice)
- Corsi (CF%)47.8%475th of 719
- Fenwick (FF%)48.0%463rd of 719
- Expected goals (xGF%)44.9%587th of 719
- Sequence xG (sxGF%)45.2%574th of 719
- High-danger chances (HDCF%)47.4%488th of 719
- Scoring chances (SCF%)48.1%452nd of 719
Transition, turnovers & faceoffs
- Transition attempts /601.22199th of 719
- Turnover Ledger /60−0.024249th of 719
- Forecheck xG /60 (on-ice)0.36132nd of 719
- Faceoff win %66.7%
- Draw Equity /100+0.179
Usage
- Ice time per game9:09694th of 715
- Power-play time per game0:01658th of 715
- Offensive-zone start %56.5%231st of 719
Special teams & discipline
- Net penalties drawn /60−1.73712th of 719
Luck & trend
- On-ice PDO969617th of 719
- Goals above expected−0.2348th of 715
- Luck Meter−31609th of 828
NHL EDGE tracking
- Top skating speed22.0465th of 715
- 20+ mph bursts32512th of 715
- Hardest shot81.6639th of 715
- Offensive-zone time40.5%496th of 715
Unranked rows are below the sample minimum (20 GP, 200 five-on-five minutes, 100 draws or 10 goalie games).
Beyond the box score
2025-26 regular season · 36 of 38 games through the sequence engine (more fill in as games are reprocessed)
- −0.032
- Season net
- −0.18xG
5-on-5. Each takeaway is credited, and each giveaway charged, at the league xG value of the zone.
- Per 60
- 1.22
- Attempts
- 7
- 0.047
5-on-5 shots within 10 seconds of winning the puck outside the offensive zone.
Role changes
Notable promotions, demotions and ice-time swings from Line Watch
- Moved up to L3 from L4Feb 6, 2025 alerts →
How his goals happened
8 goals since 2023-24 with NHL EDGE tracking: press Replay to watch the tracking animation
| Game | Play | Entry | Passes | Shot mph | Notes | Replay |
|---|---|---|---|---|---|---|
| Apr 4, 2026 @ VAN | Odd-man rush | loose | 1 | 5.3 | 1-on-0 | |
| Dec 3, 2025 @ ANA | Rush | loose | 0 | 30.4 | — | |
| Oct 17, 2025 vs SJS | Dump and chase | dump | 0 | 25.0 | — | |
| Apr 17, 2024 vs EDM | Odd-man rush | pass | 4 | 77.9 | 2-on-1 | |
| Apr 7, 2024 @ SJS | Rebound | — | 0 | 1.6 | rebound | |
| Dec 16, 2023 vs BUF | Odd-man rush | carry | 1 | 35.9 | 1-on-0 | |
| Nov 4, 2023 vs WPG | Rebound | — | 0 | 8.6 | rebound | |
| Oct 30, 2023 vs CHI | Deflection | — | 1 | 16.9 | rebound |
* includes a royal-road (cross-slot) pass. Derived from NHL EDGE puck and player tracking.
Linemates
2025-26 · 5v5 time together and how each pairing performs with and without O'Brien
| Teammate | Pos | GP | Share | CF% together | GF% together | CF% O'Brien apart | CF% mate apart | |
|---|---|---|---|---|---|---|---|---|
| Kevin Stenlund | C | 41 | 324:55 | 89% | 48.5% | 33% (6-12) | 25.0% 41:23 | 37.9% 121:43 |
| Brandon Tanev | LW | 28 | 206:38 | 56% | 47.3% | 25% (2-6) | 24.7% 48:24 | 40.3% 46:01 |
| Ian Cole | D | 41 | 135:48 | 37% | 41.9% | 25% (2-6) | 48.7% 230:30 | 50.0% 469:25 |
| Nate Schmidt | D | 41 | 120:16 | 33% | 47.6% | 50% (2-2) | 45.8% 246:02 | 55.8% 569:26 |
| John Marino | D | 38 | 120:08 | 33% | 48.5% | 43% (3-4) | 43.1% 219:47 | 53.9% 563:33 |
| Mikhail Sergachev | D | 40 | 98:25 | 27% | 50.8% | 75% (3-1) | 44.1% 257:53 | 53.3% 574:37 |
| Sean Durzi | D | 32 | 91:45 | 25% | 47.2% | 50% (3-3) | 48.8% 187:23 | 52.8% 452:46 |
| Nick DeSimone | D | 20 | 66:00 | 18% | 38.6% | 0% (0-3) | 46.9% 116:56 | 58.1% 209:53 |
| Kailer Yamamoto | RW | 7 | 53:09 | 15% | 62.2% | 75% (3-1) | 58.3% 6:03 | 45.0% 17:12 |
| Alexander Kerfoot | C | 6 | 39:26 | 11% | 41.9% | 50% (1-1) | 61.1% 12:38 | 51.5% 15:28 |
| Dmitri Simashev | D | 11 | 30:35 | 8% | 44.4% | 0% (0-3) | 44.4% 75:36 | 47.6% 133:09 |
| Olli Maatta | D | 9 | 27:42 | 8% | 48.9% | 0% (0-2) | 48.4% 52:37 | 52.9% 81:48 |
| MacKenzie Weegar | D | 8 | 21:49 | 6% | 50.0% | 100% (1-0) | 47.2% 49:06 | 54.2% 113:32 |
| Maveric Lamoureux | D | 5 | 19:37 | 5% | 48.3% | — (0-0) | 51.1% 24:37 | 45.2% 53:35 |
Game log
41 games in 2025-26, newest first
| Date | Opp | Result | G | A | P | +/- | PIM | HIT | BLK | EV | PP | PK | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 27PO | vs VGK | OTL 4-5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | — | 8:11 | 8:05 | 0:06 | — |
| Apr 24PO | vs VGK | W 4-2 | 0 | 1 | 1 | +1 | 0 | 2 | 4 | 1 | — | 7:41 | 7:41 | — | — |
| Apr 21PO | @ VGK | W 3-2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | — | 6:54 | 6:54 | — | — |
| Apr 16 | vs STL | L 3-5 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | — | 12:06 | 12:06 | — | — |
| Apr 14 | vs WPG | W 5-3 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 1 | — | 8:47 | 8:47 | — | — |
| Apr 12 | @ CGY | L 1-4 | 0 | 0 | 0 | -1 | 2 | 0 | 4 | 0 | — | 10:29 | 10:15 | — | — |
| Apr 11 | vs CAR | L 1-4 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | — | 8:46 | 8:46 | — | — |
| Apr 9 | vs NSH | W 4-1 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 100% | 8:39 | 8:21 | — | — |
| Apr 4 | @ VAN | W 7-4 | 1 | 0 | 1 | +1 | 1 | 0 | 6 | 1 | — | 10:21 | 10:21 | — | — |
| Feb 4 | vs DET | W 4-1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | — | 8:10 | 8:10 | — | — |
| Feb 2 | vs VAN | W 6-2 | 0 | 0 | 0 | 0 | 0 | 12 | 2 | 0 | — | 8:29 | 8:29 | — | — |
| Jan 29 | @ CAR | L 4-5 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0% | 10:50 | 10:50 | — | — |
| Jan 27 | @ FLA | W 4-3 | 0 | 0 | 0 | -1 | 0 | 0 | 8 | 0 | — | 7:58 | 7:53 | — | — |
| Jan 24 | @ NSH | W 5-2 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 100% | 12:11 | 12:11 | — | — |
| Jan 21 | vs PHI | W 5-4 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | — | 6:06 | 6:06 | — | — |
| Jan 17 | vs SEA | W 6-3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | — | 8:50 | 8:50 | — | — |
| Jan 15 | vs DAL | W 2-1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 2 | 0% | 8:30 | 8:30 | — | — |
| Jan 13 | vs TOR | W 6-1 | 0 | 0 | 0 | -1 | 1 | 0 | 8 | 0 | 100% | 9:07 | 9:07 | — | — |
| Jan 3 | @ NJD | L 1-4 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | — | 10:01 | 10:01 | — | — |
| Jan 1 | @ NYI | W 7-2 | 0 | 0 | 0 | -1 | 1 | 0 | 3 | 0 | — | 11:04 | 9:44 | 0:30 | — |
Season splits by strength
2025-26 regular season · on-ice numbers from shift and play-by-play data
| Strength | GP | TOI/GP | SA | GF | GA | GF% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All situations | 38 | 347:37 | 9:09 | 303 | 334 | 47.6% | 47.8% | 125 | 152 | 6 | 12 | 33% | 11.4 | 14.1 | 56% |
| Even strength | 38 | 343:38 | 9:03 | 298 | 326 | 47.8% | 48.0% | 121 | 149 | 6 | 12 | 33% | 11.0 | 13.6 | 56% |
| 5v5 | 38 | 343:38 | 9:03 | 298 | 326 | 47.8% | 48.0% | 121 | 149 | 6 | 12 | 33% | 11.0 | 13.6 | 56% |
| Power play | 3 | 0:43 | 0:14 | 3 | 0 | 100.0% | 100.0% | 2 | 0 | 0 | 0 | — | 0.1 | 0.0 | — |
| 5v6, opponent net empty | 7 | 2:51 | 0:24 | 0 | 8 | 0.0% | 0.0% | 0 | 3 | 0 | 0 | — | 0.0 | 0.5 | — |
Career by season
Seasons in Edgehalla's data (2025-26 is being backfilled; earlier seasons follow)
| Season | Team | GP | G | A | P | +/- | PIM | HIT | BLK | TOI/GP | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-26Playoffs | UTA | 3 | 0 | 1 | 1 | +1 | 2 | 0 | — | 11 | 3 | 7:35 |
| 2025-26 | UTA | 38 | 3 | 1 | 4 | -6 | 43 | 35 | 8.6% | 115 | 14 | 9:09 |
| 2024-25 | UTA | 28 | 0 | 2 | 2 | +1 | 50 | 34 | 0.0% | 100 | 11 | 9:18 |
| 2023-24 | ARI | 75 | 5 | 9 | 14 | 0 | 153 | 72 | 6.9% | 229 | 33 | 9:44 |
| 2022-23 | ARI | 56 | 3 | 8 | 11 | -5 | 114 | 39 | 7.7% | 203 | 28 | 11:26 |
| 2021-22 | ARI | 39 | 2 | 1 | 3 | +1 | 106 | 36 | 5.6% | 139 | 10 | 9:29 |
| 2020-21 | COL | 12 | 0 | 3 | 3 | +1 | 40 | 6 | 0.0% | 28 | 2 | 6:34 |
| 2017-18 | WSH | 3 | 0 | 0 | 0 | 0 | 5 | 1 | 0.0% | 4 | 0 | 6:55 |
Liam O'Brien news
- 3 Takeaways From Mammoth’s 5-4 Preseason Overtime Loss to Golden KnightsThe Hockey Writers
- Video: Utah Mammoth forward Liam O'Brien shares personal goals for upcoming seasonsports.ksl.com
- Utah Mammoth forward Liam O'Brien shares personal goals for upcoming seasonKSL Sports
- MORNING SKATE: Liam O'Brien 9.24.26nhl.com
- Utah Mammoth's 2025-26 Report Cards: Logan Cooley, Liam O'Brien & Lawson CrouseSubstack
- Utah Mammoth's 2025-26 Report Cards: Liam O'BrienThe Hockey Writers
- Utah Mammoth’s 2025-26 Report Cards: Liam O’BrienThe Hockey Writers
- EXIT INTERVIEW: Liam O'Brien 5.3.26NHL.com
Headlines via LineupExperts. Links open the original publisher.
On-ice and deployment numbers are derived by Edgehalla from NHL play-by-play and shift data. Tracking percentiles are from NHL EDGE. Data updates after every game.