Greg Bollo

Pitcher · Career Stats, Bio & Records (1965-1966)

Greg Bollo was a pitcher who played in Major League Baseball from 1965 to 1966 for the Chicago White Sox, a span of 2 seasons. Across 18 career appearances, he went 0-1 with a 3.34 ERA and 20 strikeouts.

W (Wins):
Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):
Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):
For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):
Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated

W–L 0–1
ERA 3.34
WHIP 1.04
SO 20
Pitcher PIV -1093.8
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'4" / 183 lb
Born
11/16/1943 in Detroit, MI, USA
MLB Debut
1965-05-09
Last Game
1966-10-02

Full name: Gregory Gene Bollo

Career Pitching Statistics

Greg Bollo — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
0 1 18 1 0 0 0 29.7 19 11 5 12 20 3.34 -1093.8

Career ERA 3.34 vs. league average 3.51 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Greg Bollo — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
18 1 0 0 0 0 0 0 0 0 1 .000 .000 .000 .000 0

Career AVG .000 vs. league average .247 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .310 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .374 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .684 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Greg Bollo — Batting — Home / Away
SplitGABRHHRRBIAVG
Home710000.000
Away1100000

Pitching — Home / Away

Greg Bollo — Pitching — Home / Away
SplitGIPHERBBSOERA
Home714.2436121.84
Away1115.0158684.80

Last 10 Games — Batting

Greg Bollo — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1966-10-02 CHWNYYL 100000001
1966-09-25 CHWTEXL 000000000
1966-09-15 CHWBOSL 000000000
1965-09-09 CHWMINL 000000000
1965-08-08 CHWCLEL 000000000
1965-07-27 CHWCLEL 000000000
1965-07-25 CHWDETL 000000000
1965-07-24 CHWDETL 000000000
1965-07-19 CHWKC1L 000000000
1965-07-18 CHWKC1L 000000000

Last 10 Games — Pitching

Greg Bollo — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1966-10-02 CHWNYY L 4.0211320
1966-09-25 CHWTEX 2.0200010
1966-09-15 CHWBOS 1.0311010
1965-09-09 CHWMIN 2.0122121
1965-08-08 CHWCLE 2.0000010
1965-07-27 CHWCLE 1.1000210
1965-07-25 CHWDET 1.0333002
1965-07-24 CHWDET 2.0000010
1965-07-19 CHWKC1 0.2110011
1965-07-18 CHWKC1 2.0000030

Fielding Statistics

Career Fielding Totals by Position

Greg Bollo — Career Fielding Totals by Position
Position G GS PO A E DP
P 18 1 3 5 0 1

Season-by-Season Fielding

Career Games by Position

Position Diamond

Circle size = games played at each position.

Greg Bollo — Career Games by Position
Position Games
Pitcher 18

Frequently Asked Questions about Greg Bollo

What years did Greg Bollo play?
Greg Bollo played in Major League Baseball from 1965 to 1966.
Was Greg Bollo a pitcher?
Yes. Greg Bollo pitched in the major leagues, recording 0 wins and 20 strikeouts.
How many home runs did Greg Bollo hit?
Greg Bollo hit 0 career home runs.
What was Greg Bollo's career batting average?
Greg Bollo batted .000 over his career, with 0 hits in 1 at bats.
What was Greg Bollo's career ERA?
Greg Bollo finished with a 3.34 career ERA, going 0-1 with 20 strikeouts.
How many strikeouts did Greg Bollo have?
Greg Bollo recorded 20 career strikeouts.