Scratch peak
USBC bowler profile
Jerry L Defenbaugh
Perfect Game Bowler
1840-2619
Bowling since 1999
×2
300 games
×2
11 in a row
200+ peak
200+ career avg
250 games
Honor earned
Lifetime average
214.75
Lifetime games
425
Highest average
219
Career honors
4
What this profile flair means
Scratch peak aura
The nameplate aura reflects a highest recorded league average of 219.
Perfect Game Bowler
Awarded for recording a sanctioned 300 game.
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.
Historical records
League History
USBC records begin in 1999. Sport and challenge conversions are summarized below.
Recent composite averages
2002
House
2001
House
2000
House
1999
House
League averages
2002-2003
Sequoia Men's Reality Trio
· W
2001-2002
Phil Russo Memorial
· W
Sequoia Men's Reality Trio
· W
2000-2001
Thursday Mens House
· W
Llaneza-Metzger Memorial
· W
1999-2000
St Clair A C
· W
1998-1999
Scratch Doubles "B"
· S
St Clair A C
· W
USBC standing
Memberships
Gr Columbus BA/WBA
Most recent
Gr Columbus BA/WBA
Past
Gr Columbus BA/WBA
Past
Gr Columbus BA/WBA
Past
Gr Columbus BA/WBA
Past
Career milestones
Honors
0900 series
0800 series
2300 games
211 in a row
300 games
Perfect game · Sequoia Pro Bowl
Perfect game · Sequoia Pro Bowl
11 in a row
11 consecutive strikes ·
11 consecutive strikes · Sequoia Pro Bowl
Tournament history
Open Championships
Adjusted entering average
220
How it was calculated
The highest sport-adjusted average from the last three bowling seasons is used until 27 Open Championship games are available.
245 → 220
The Open Championships average uses the most recent 27 games bowled from 2016 through 2025. Search historical championship scores.