George Jefferson

Pitcher · Career Stats, Bio & Records

George Jefferson was a pitcher who played in Major League Baseball for the Cleveland Buckeyes. Across 19 career appearances, he went 5-5 with a 2.92 ERA and 39 strikeouts. His totals include Negro Leagues seasons, which MLB recognized as major league in 2020. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 565.5.

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 5–5
ERA 2.92
WHIP 1.29
SO 39
Pitcher PIV 565.5
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'2" / 197 lb
Born
8/8/1922 in Boley, OK, USA
Died
9/21/1985 in Erie, PA, USA

Full name: George Leo Jefferson

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Negro Leagues Career Statistics

Batting

George Jefferson — Batting
PA AB R H 2B 3B HR RBI BB SO SB BA OBP SLG OPS
77.0 74.0 8.0 13.0 2.0 1.0 0 9.0 3.0 0 0 .176 .208 .230 .438

Pitching

George Jefferson — Pitching
W L GS CG GF SV IP H R ER HR BB SO ERA WHIP
24 21 50 32 12 1 382.1 281 148 33 7 51 35 0.78 0.87

Negro Leagues (season totals). Additive Retrosheet-digitized totals for seasons not already in the logs above; they are not summed into the career line. No team/league breakdown is available, and coverage may be partial.

Negro Leagues Season-by-Season Batting

George Jefferson — Negro Leagues Season-by-Season Batting
Season PA AB R H 2B 3B HR RBI BB SO SB BA OBP SLG OPS
1949 11.0 11.0 1.0 3.0 1.0 0 0 3.0 0 0 0 .273 .273 .364 .637
Listed seasons · 1 11 11 1 3 1 0 0 3 0 0 0 .273 — — —

Negro Leagues Season-by-Season Pitching

George Jefferson — Negro Leagues Season-by-Season Pitching
Season W L GS CG GF SV IP H R ER HR BB SO ERA WHIP
1949 2 7 11 3 1 0 61.1 45 33 8 1 5 3 1.17 0.81
Listed seasons · 1 2 7 11 3 1 0 61.1 45 33 8 1 5 3 1.17 0.82

Career Pitching Statistics

George Jefferson — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
5 5 19 11 8 0 1 108.0 106 35 5 33 39 2.92 565.5

Career ERA 2.92 vs. league average 3.83 across their career seasons — 23.8% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

George Jefferson — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1944 CBE NAL 2 3 9 5 4 0 0 60.2 52 12 11 23 1.78 3.57 (+50%) 1377.4
1945 CBE NAL 3 2 8 6 4 0 1 42.2 46 20 19 13 4.22 3.67 (-15%) -812.0
1947 CBE NAL 0 0 1 0 0 0 0 4.0 5 0 2 2 0.00 — 0.0
1948 CBE NAL 0 0 1 0 0 0 0 0.2 3 3 1 1 40.50 — 0.0
Career · 4 seasons 5 5 19 11 8 0 1 108.0 106 35 33 39 2.92 — 565

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

George Jefferson — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
22 52 5 6 1 1 0 3 0 3 0 .115 .164 .173 .337 0

Career AVG .115 vs. league average .262 across their career seasons — 56.0% below league average.

Career OBP .164 vs. league average .333 across their career seasons — 50.8% below league average.

Career SLG .173 vs. league average .367 across their career seasons — 52.8% below league average.

Career OPS .337 vs. league average .700 across their career seasons — 51.9% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

George Jefferson — 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
1944 CBE NAL 9 24 1 2 1 0 0 1 0 2 0 .083 — — — — 0.0
1945 CBE NAL 11 26 4 4 0 1 0 2 0 1 0 .154 — — — — 0.0
1947 CBE NAL 1 1 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1948 CBE NAL 1 1 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 4 seasons 22 52 5 6 1 1 0 3 0 3 0 .115 — — — — 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.

Postseason Statistics

Playoff Career Batting

George Jefferson — Playoff Career Batting
G AB R H 2B 3B HR RBI BB SO AVG
1 3 0 0 0 0 0 1 0 0 .000

Playoff Batting by Year

George Jefferson — Playoff Batting by Year
Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1945 NWS CBE 1 3 0 0 0 0 0 1 0 0 .000

Playoff Career Pitching

George Jefferson — Playoff Career Pitching
W L G GS SV IP H ER BB SO ERA
1 0 1 1 0 9.0 3 0 5 3 0.00

Playoff Pitching by Year

George Jefferson — Playoff Pitching by Year
Year Round Team W L G GS SV IP H ER BB SO ERA
1945 NWS CBE 1 0 1 1 0 9.0 3 0 5 3 0.00

Game Log & Splits

View full game log (95 games) →

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

Batting — Home / Away

George Jefferson — Batting — Home / Away
SplitGABRHHRRBIAVG
Home23172400.235
Away26356707.200

Pitching — Home / Away

George Jefferson — Pitching — Home / Away
SplitGIPHERBBSOERA
Home23127.273411100.28
Away23183.01522127171.03

Last 10 Games — Batting

George Jefferson — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1949-07-28 LCBIN9L 000000000
1949-07-10 LCBKCML 200000000
1949-07-04 LCBIN9L 000000000
1949-06-24 LCBBLGL 200000000
1949-06-15 LCBKCMW 402100200
1949-06-05 LCBCAGL 000000000
1949-05-27 LCBBIRL 000000000
1949-05-25 LCBBIRL 000000000
1949-05-22 LCBBIRL 211000100
1949-05-13 LCBNY6L 000000000

Last 10 Games — Pitching

George Jefferson — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1949-07-28 LCBIN9 — 4.0010000
1949-07-10 LCBKCM — 4.2730020
1949-07-04 LCBIN9 L 0.0000000
1949-06-24 LCBBLG L 5.0653210
1949-06-15 LCBKCM W 9.0711100
1949-06-05 LCBCAG L 5.0040001
1949-05-27 LCBBIR L 9.01170000
1949-05-22 LCBBIR L 3.1654200
1949-05-13 LCBNY6 L 2.1030000
1949-05-10 LCBBIR W 7.0000000

Fielding Statistics

Career Fielding Totals by Position

George Jefferson — Career Fielding Totals by Position
Position G GS PO A E DP
OF 2 2 3 0 0 0
P 19 11 4 34 0 0

Season-by-Season Fielding

George Jefferson — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1944 CBE P 9 5 2 16 0 0
1945 CBE OF 2 2 3 0 0 0
1945 CBE P 8 6 2 17 0 0
1947 CBE P 1 0 0 1 0 0
1948 CBE P 1 0 0 0 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

George Jefferson — Career Games by Position
Position Games
Pitcher 19
Right Field 2

George Jefferson: the record in brief

George Jefferson's record on this page is drawn from the season tables, which run from 1944 to 1948. Every season row on the page belongs to the Cleveland Buckeyes, from 1944 through 1948. Jefferson, a pitcher by primary position, threw and hit right-handed. Jefferson is listed at 6 feet, 2 inches and 197 pounds. The birth record reads August 8, 1922, in Boley, OK, USA. Jefferson died on September 21, 1985, in Erie, PA, USA. George Jefferson was the playing name; the full given name is George Leo.

Across 19 games (11 starts), Jefferson recorded 5 wins against 5 losses with a 2.92 ERA. Jefferson had 39 strikeouts. That 2.92 ERA compares with a 3.83 league average across the same seasons, 23.8% better. 1944 was Jefferson's sharpest full season, a 1.78 ERA against the league's 3.57. By Pitcher PIV, Baseball Data Hub's measure of run prevention relative to each season's league, Jefferson's career adds up to 565.5.

Frequently Asked Questions about George Jefferson

Was George Jefferson a pitcher?
Yes. George Jefferson pitched in the major leagues, recording 5 wins and 39 strikeouts.
How many home runs did George Jefferson hit?
George Jefferson hit 0 career home runs with 6 hits.
What teams did George Jefferson play for?
George Jefferson played for one team, the Cleveland Buckeyes (1944–1945, 1947–1948).
What were George Jefferson's career stats?
In 19 games, George Jefferson went 5-5 with a 2.92 ERA, 39 strikeouts, 108.0 innings pitched, and 1 saves.
What position did George Jefferson play?
George Jefferson played primarily as a pitcher, the position where he appeared in the most games.
How tall was George Jefferson and how much did he weigh?
George Jefferson was listed at 6 feet 2 inches and 197 pounds.
What was George Jefferson's career ERA?
George Jefferson finished with a 2.92 career ERA, going 5-5 with 39 strikeouts.
How many strikeouts did George Jefferson have?
George Jefferson recorded 39 career strikeouts.
Is George Jefferson in the Hall of Fame?
No. George Jefferson has not been inducted into the National Baseball Hall of Fame.