Ron Diorio

Pitcher · Career Stats, Bio & Records (1973-1974)

Ron Diorio was a pitcher who played in Major League Baseball from 1973 to 1974 for the Philadelphia Phillies, a span of 2 seasons. Across 25 career appearances, he went 0-0 with a 3.10 ERA and 11 strikeouts. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 346.9.

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 0–0
ERA 3.10
WHIP 1.33
SO 11
Pitcher PIV 346.9
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'6" / 212 lb
Born
7/15/1946 in Waterbury, CT, USA
MLB Debut
1973-08-09
Last Game
1974-04-07

Full name: Ronald Michael Diorio

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Career Pitching Statistics

Ron Diorio — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
0 0 25 0 0 0 1 20.1 20 7 2 7 11 3.10 346.9

Career ERA 3.10 vs. league average 3.69 across their career seasons — 16.0% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Ron Diorio — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1973 PHI NL 0 0 23 0 0 0 1 19.1 18 5 6 11 2.33 3.75 (+38%) 346.9
1974 PHI NL 0 0 2 0 0 0 0 1.0 2 2 1 0 18.00 — 0.0
Career · 2 seasons 0 0 25 0 0 0 1 20.1 20 7 7 11 3.10 — 347

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

Ron Diorio — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
25 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 0

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Ron Diorio — 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
1973 PHI NL 23 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1974 PHI NL 2 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 2 seasons 25 0 0 0 0 0 0 0 0 0 0 — — — — — 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 (50 games) →

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

Batting — Home / Away

Ron Diorio — Batting — Home / Away
SplitGABRHHRRBIAVG
Home1400000—
Away1100000—

Pitching — Home / Away

Ron Diorio — Pitching — Home / Away
SplitGIPHERBBSOERA
Home149.1135524.82
Away1111.072291.64

Last 10 Games — Pitching

Ron Diorio — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1974-04-07 PHINYN — 0.2222101
1974-04-06 PHINYN — 0.1000000
1973-09-30 PHISTL — 0.2000000
1973-09-29 PHISTL — 1.0100000
1973-09-28 PHISTL — 1.0222020
1973-09-27 PHIPIT — 0.2000000
1973-09-23 PHICHC SV 0.2100010
1973-09-22 PHICHC — 0.1322000
1973-09-21 PHISTL — 0.1000000
1973-09-20 PHISTL — 0.1000100

Fielding Statistics

Career Fielding Totals by Position

Ron Diorio — Career Fielding Totals by Position
Position G GS PO A E DP
P 25 0 0 3 0 1

Season-by-Season Fielding

Ron Diorio — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1973 PHI P 23 0 0 2 0 1
1974 PHI P 2 0 0 1 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Ron Diorio — Career Games by Position
Position Games
Pitcher 25

College History

Ron Diorio — College History
School Name City State Years Attended
University of New Haven West Haven CT 1966, 1967, 1968, 1969

Ron Diorio: the record in brief

Ron Diorio played a first major league game on August 9, 1973 and a last one on April 7, 1974. Diorio spent the whole of the career shown here with one club, the Philadelphia Phillies. Diorio is listed as a pitcher at 6 feet, 6 inches and 212 pounds. Diorio batted and threw right-handed, per the bio block. Diorio was born on July 15, 1946, in Waterbury, CT, USA. Ron Diorio was the playing name; the full given name is Ronald Michael.

Diorio pitched in 25 games, starting 0, and finished with a 0-0 record and 3.10 ERA. The same table counts 11 strikeouts. Against a 3.69 league ERA for the same years, Diorio was 16.0% better. In 1973, one of the busiest seasons, Diorio posted a 2.33 ERA; the league figure that year was 3.75. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Diorio's career adds up to 346.9.

Diorio appears at one position only: pitcher, in 25 games. On the mound, the fielding record shows 0 errors alongside 0 putouts and 3 assists.

The college table lists University of New Haven in 1966, 1967, 1968, and 1969. Diorio's game-by-game log, linked below the splits, holds 50 games from Retrosheet.

Frequently Asked Questions about Ron Diorio

What years did Ron Diorio play?
Ron Diorio played in Major League Baseball from 1973 to 1974.
Was Ron Diorio a pitcher?
Yes. Ron Diorio pitched in the major leagues, recording 0 wins and 11 strikeouts.
What was Ron Diorio's career ERA?
Ron Diorio finished with a 3.10 career ERA, going 0-0 with 11 strikeouts.
How many strikeouts did Ron Diorio have?
Ron Diorio recorded 11 career strikeouts.
Is Ron Diorio in the Hall of Fame?
No. Ron Diorio has not been inducted into the National Baseball Hall of Fame.
What teams did Ron Diorio play for?
Ron Diorio played for the Philadelphia Phillies.