Don O'Riley

Pitcher · Career Stats, Bio & Records (1969-1970)

Don O'Riley was a pitcher who played in Major League Baseball from 1969 to 1970 for the Kansas City Royals, a span of 2 seasons. Across 27 career appearances, he went 1-1 with a 6.17 ERA and 23 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 1–1
ERA 6.17
WHIP 1.76
SO 23
Pitcher PIV -978.1
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'3" / 205 lb
Born
3/12/1945 in Topeka, KS, USA
Died
5/2/1997 in Kansas City, MO, USA
MLB Debut
1969-06-20
Last Game
1970-08-01

Full name: Donald Lee O'Riley

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Career Pitching Statistics

Don O'Riley — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
1 1 27 2 0 0 1 46.2 58 32 5 24 23 6.17 -978.1

Career ERA 6.17 vs. league average 3.75 across their career seasons — 64.6% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Don O'Riley — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1969 KCA AL 1 1 18 0 0 0 1 23.1 32 18 15 10 6.94 3.61 (-92%) 19.2
1970 KCA AL 0 0 9 2 0 0 0 23.1 26 14 9 13 5.40 3.89 (-39%) -997.3
Career · 2 seasons 1 1 27 2 0 0 1 46.2 58 32 24 23 6.17 — -978

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

Don O'Riley — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
28 6 0 0 0 0 0 0 0 0 1 .000 .000 .000 .000 0

Career AVG .000 vs. league average .251 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .323 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .377 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .700 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Don O'Riley — Season-by-Season Batting
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1969 KCA AL 19 3 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
1970 KCA AL 9 3 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 2 seasons 28 6 0 0 0 0 0 0 0 0 1 .000 — — — — 0

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.

Game Log & Splits

View full game log (55 games) →

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

Batting — Home / Away

Don O'Riley — Batting — Home / Away
SplitGABRHHRRBIAVG
Home1210000.000
Away1650000.000

Pitching — Home / Away

Don O'Riley — Pitching — Home / Away
SplitGIPHERBBSOERA
Home1217.2201010115.09
Away1529.0382315127.14

Last 10 Games — Batting

Don O'Riley — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1970-08-01 KCRBALL 100000000
1970-07-26 KCRCLEL 000000000
1970-07-24 KCRCLEL 000000000
1970-07-23 KCRBALL 000000000
1970-07-18 KCRCLEL 000000000
1970-07-16 KCRCLEL 000000000
1970-07-12 KCRCHWL 000000000
1970-07-04 KCRMILW 000000000
1970-06-30 KCRMINL 200000000
1969-09-27 KCRCHWL 000000000

Last 10 Games — Pitching

Don O'Riley — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1970-08-01 KCRBAL — 4.0533011
1970-07-26 KCRCLE — 1.0111011
1970-07-24 KCRCLE — 2.0233211
1970-07-23 KCRBAL — 0.1000210
1970-07-18 KCRCLE — 3.0400030
1970-07-16 KCRCLE — 3.0111120
1970-07-12 KCRCHW — 0.1100000
1970-07-04 KCRMIL — 4.1633341
1970-06-30 KCRMIN — 5.1643201
1969-09-27 KCRCHW — 1.0222210

Fielding Statistics

Career Fielding Totals by Position

Don O'Riley — Career Fielding Totals by Position
Position G GS PO A E DP
P 27 2 5 2 0 0

Season-by-Season Fielding

Don O'Riley — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1969 KCA P 18 0 3 1 0 0
1970 KCA P 9 2 2 1 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Don O'Riley — Career Games by Position
Position Games
Pitcher 27

Don O'Riley: the record in brief

June 20, 1969 and August 1, 1970 bracket Don O'Riley's time in the majors: the debut and the last game on record. All of the seasons listed were played for the Kansas City Royals. O'Riley played primarily as a pitcher and both batted and threw right-handed. The bio adds a birth date on March 12, 1945, in Topeka, KS, USA and a listed size of 6'3" and 205 pounds. O'Riley's death is recorded on May 2, 1997, in Kansas City, MO, USA. Don O'Riley was the playing name; the full given name is Donald Lee.

O'Riley's career pitching line is 1 win, 1 loss and a 6.17 ERA over 27 appearances. The same table counts 23 strikeouts. Against a 3.75 league ERA for the same seasons, the 6.17 mark was 64.6% worse. In 1970, one of the busiest seasons, O'Riley posted a 5.40 ERA; the league figure that year was 3.89.

Every defensive appearance on record for O'Riley, 27 games, came at pitcher. Fielding on the mound produced 5 putouts and 2 assists against 0 errors.

Frequently Asked Questions about Don O'Riley

What years did Don O'Riley play?
Don O'Riley played in Major League Baseball from 1969 to 1970.
Was Don O'Riley a pitcher?
Yes. Don O'Riley pitched in the major leagues, recording 1 wins and 23 strikeouts.
How many home runs did Don O'Riley hit?
Don O'Riley hit 0 career home runs.
What teams did Don O'Riley play for?
Don O'Riley played for one team, the Kansas City Royals (1969–1970).
What were Don O'Riley's career stats?
In 27 games, Don O'Riley went 1-1 with a 6.17 ERA, 23 strikeouts, 46.2 innings pitched, and 1 saves.
What position did Don O'Riley play?
Don O'Riley played primarily as a pitcher, the position where he appeared in the most games.
How tall was Don O'Riley and how much did he weigh?
Don O'Riley was listed at 6 feet 3 inches and 205 pounds.
What was Don O'Riley's career ERA?
Don O'Riley finished with a 6.17 career ERA, going 1-1 with 23 strikeouts.
How many strikeouts did Don O'Riley have?
Don O'Riley recorded 23 career strikeouts.
Is Don O'Riley in the Hall of Fame?
No. Don O'Riley has not been inducted into the National Baseball Hall of Fame.