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Ice Lab

Defence · #8

Olen Zellweger

Anaheim Ducks Buffalo Sabres(traded during the season)
Age
23
Shoots
Left
Height
178 cm
Weight
88 kg
Born
Calgary, CAN
Draft
2021, round 2, #34 (ANA)

Career · 2023–24 to 2026–27

Games
166
Goals
16
Points
51
TOI per game
18:03
xGF% (5v5)
47.4%
Goals above expected
−3.2
ShowAll teamsAnaheim DucksBuffalo Sabres

Season by season

The regular-season line for each season, with the total, by team for traded players.

2023–24ANA26279−619:17345.9%21.941.8%
2024–25ANA6271320+118:581305.4%58.146.8%
2025–26ANA7671522+416:591195.9%39.049.3%
2026–27BUF2000015:1210.0%00.170.7%
Total2 teams166163551−118:032845.6%1019.247.4%

Form

Rolling averages smooth out single games so the trend shows.

Form, ten-game rolling

Points and individual expected goals per game (left scale), averaged over the previous ten games. Ice time is on the second chart.

Points per gameixG per gameTOI per game (minutes)
00.20.40.60.820406080100120140160
12m14m16m18m20m22m20406080100120140160Game

Player card

Model-based

How 2023–24 to 2026–27 compares with everyone else at the position over the same seasons, and the players with the most similar profile.

Overall rating

2nd pair

64th percentile among qualified defencemen, blending scoring 30%, play-driving 50%, usage 20%.

  1. 1st pair
  2. 2nd pair
  3. 3rd pair
  4. Extra / AHL

Scoring

1st pair
  • Goals /600.3284th pct
  • Assists /600.7056th pct
  • ixG /600.3896th pct
  • Shots /605.6892nd pct

Play-driving

3rd pair
  • xGF% (5v5)47.4%30th pct
  • CF% (5v5)50.2%65th pct
  • Relative xGF%+0.967th pct
  • xGA /60 (lower is better)2.8014th pct

Usage

3rd pair
  • TOI per game18:0352nd pct
  • PP time share30.2%78th pct
  • PK time share8.8%18th pct
  • Quality of competition24.3%39th pct

Percentiles among defencemen with 200+ minutes at 5-on-5 and 20+ games. Ratings rank each column's average percentile among the same players and read it as a role on a depth chart (how).

Most similar players this season

  1. Zayne ParekhCGY0.89
  2. Brandon MontourSEA0.83
  3. Matthew SchaeferNYI0.82
  4. Jakob ChychrunOTT/WSH0.80
  5. Jacob MacDonaldSJS0.78
  6. Tony DeAngeloNYI0.78

Finishing

Model-based

Did the goals match the chances?

Goals against expected goals

Cumulative goals (solid) and individual xG (dashed) through the season. The gap is finishing: above the dashed line, the player scored more than an average shooter would from the same chances.

−3.2 goals above expected

0510152020406080100120140160Game

Goals above expected, everyone at the same position with 20+ games

−10−50+5+10+15

Speed and tracking

From the NHL's EDGE tracking system (2021–22 on): skating speed, shot speed, distance and zone time, for the selected seasons and then every tracked season, to show improvement or decline.

Tracking data (NHL EDGE)

Values from the NHL's puck and player tracking, with the NHL's own league percentile for each. Missing values mean the player wasn't tracked enough.

Tracking

  • Top skating speed34.0 km/h74th pct
  • Speed bursts over 20 mph693rd pct
  • Hardest shot132.5 km/h54th pct
  • Distance skated8 km21st pct
  • Offensive-zone time46.8%89th pct
Tracking, season by season

Each season against the other defencemen that season with 20+ games. A season in progress appears once half its games are played, as provisional: season bests only grow. Bursts and distance are per 60 minutes of ice time, so seasons with fewer games still compare. Percentiles are on these rates, so they can differ from the NHL's, which are on season totals.

This playerMedian defencemanMiddle half (25th–75th percentile)Hollow dot: too few games to rank, or a season in progress (*, dashed). Dotted line: no NHL games that season.

Top skating speed

36.2 km/h77th pct

▼ −0.8 km/h since 2024–25

343536373823–2424–2525–262023–24: 35.6 km/h, 61st percentile (26 games)2024–25: 37.0 km/h, 90th percentile (62 games)2025–26: 36.2 km/h, 77th percentile (76 games)

Bursts over 20 mph per 60

7.999th pct

▲ +3.6 since 2024–25

024681023–2424–2525–262023–24: 2.4, 75th percentile (26 games)2024–25: 4.3, 95th percentile (62 games)2025–26: 7.9, 99th percentile (76 games)

Distance skated per 60

15.4 km100th pct

▲ +0.5 km since 2024–25

121314151623–2424–2525–262023–24: 14.5 km, 94th percentile (26 games)2024–25: 14.9 km, 99th percentile (62 games)2025–26: 15.4 km, 100th percentile (76 games)

Hardest shot

144.9 km/h32nd pct

▲ +1.3 km/h since 2024–25

13014015016023–2424–2525–262023–24: 134.0 km/h, 3rd percentile (26 games)2024–25: 143.6 km/h, 29th percentile (62 games)2025–26: 144.9 km/h, 32nd percentile (76 games)

Offensive-zone time

44.1%85th pct

▲ +1.3 points since 2024–25

38%40%42%44%46%23–2424–2525–262023–24: 41.4%, 46th percentile (26 games)2024–25: 42.8%, 65th percentile (62 games)2025–26: 44.1%, 85th percentile (76 games)