Ranking
Premier peak
USBC bowler profile

Butch H Duffy

Decorated Bowler
8708-65137 Bowling since 2019
×3 800 series ×6 300 games
230+ peak 200+ career avg 1K games 5+ honors
Lifetime average 217.41 Across all recorded seasons
Lifetime games 1288 USBC-recorded games
Highest average 233 42 games
Career honors 9 Recognized achievements
What this profile flair means
Premier peak aura

The nameplate aura reflects a highest recorded league average of 233.

Decorated Bowler

Awarded for reaching at least five recognized career honors.

Honor pins

Each pin names a recognized honor and shows how many times it was earned.

Milestone marks

These celebrate peak average, career average, recorded games, and accumulated honors separately.

Roster matching

League Finder

Start with one bowling center, then expand across the region. Matches use name, average, gender, game count, and league history when available.

Beta
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Choose a region and bowling center to begin.
Historical records

League History

USBC records begin in 2019. Sport and challenge conversions are summarized below.

Recent composite averages

2026 House
229 average · 332 games
2025 House
223 average · 264 games
2024 House
216 average · 205 games
2023 House
217 average · 85 games
2022 House
221 average · 273 games

League averages

2025-2026

Benny's Custom Marine Classic Trios · W
232 average · 128 games
Giants · S
231 average · 39 games
Majors · W
230 average · 54 games
Wednesday Mixed Fives · W
227 average · 3 games
Black Oak Classic · W
224 average · 108 games

2024-2025

SF Giants · S
233 average · 42 games
Benny's Custom Marine Classic Trios · W
227 average · 76 games
Black Oak Classic · W
219 average · 128 games
Wednesday Mixed Fives · W
215 average · 12 games
Tuesday Night Scratch Classic · W
209 average · 3 games
Majors · W
195 average · 3 games

2023-2024

Wednesday Mixed 4's · S
222 average · 42 games
Classic · W
217 average · 124 games
Wednesday Mixed Fives · W
208 average · 39 games

2022-2023

Black Oak Classic · W
220 average · 28 games
Wednesday Mixed Fives · W
219 average · 15 games
Wednesday Mixed 4's · S
213 average · 42 games

2021-2022

Classic · W
223 average · 132 games
Wednesday Mixed Fives · W
221 average · 96 games
Wednesday Mixed 4's · S
216 average · 45 games

2019-2020

Wednesday Mixed Fives · W
210 average · 90 games

2018-2019

Wednesday Mixed 4's · S
172 average · 39 games
USBC standing

Memberships

Not currently active
Modesto USBC Most recent
2025-08-01 — 2026-07-31
Modesto USBC Past
2024-08-01 — 2025-07-31
Stockton USBC Past
2024-08-01 — 2025-07-31
Modesto USBC Past
2023-08-01 — 2024-07-31
Modesto USBC Past
2022-08-01 — 2023-07-31
Modesto USBC Past
2021-08-01 — 2022-07-31
Modesto USBC Past
2019-08-01 — 2020-07-31
Modesto USBC Past
2018-08-01 — 2019-07-31
Career milestones

Honors

0900 series
3800 series
6300 games
011 in a row

800 series

809 series · Yosemite Lanes
May 28 2026 · 262-279-268
811 series · Yosemite Lanes
November 24 2025 · 299-257-255
823 series · West Valley Bowl
August 16 2025 · 290-267-266

300 games

Perfect game · Yosemite Lanes
March 16 2026 · 300-0-0
Perfect game · Yosemite Lanes
February 13 2026 · 300-228-217
Perfect game · Yosemite Lanes
January 12 2026 · 300-0-0
Perfect game · McHenry Bowl
November 6 2025 · 0-300-0
Perfect game · McHenry Bowl
October 16 2025 · 0-0-300
Perfect game · McHenry Bowl
August 17 2022 · 229-224-300
Tournament history

Open Championships

Entering average 187 Based on 27 Open Championships games

The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.