Win Mercer

Pitcher · Career Stats, Bio & Records (1894-1902)

Win Mercer was a pitcher who played in Major League Baseball from 1894 to 1902 for 4 teams, including the Washington Nationals, a span of 9 seasons. Across 335 career appearances, he went 132-164 with a 3.98 ERA and 532 strikeouts. He also batted .285 with 7 home runs.

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 132–164
ERA 3.98
WHIP 1.54
SO 532
Pitcher PIV -388.5
Position
Pitcher
Bats / Throws
L / R
Height / Weight
5'9" / 154 lb
Born
6/20/1874 in Chester, WV, USA
Died
1/12/1903 in San Francisco, CA, USA
MLB Debut
1894-04-21
Last Game
1902-09-27

Full name: George Barclay Mercer

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Career Pitching Statistics

Win Mercer — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
132 164 335 300 253 11 10 2484.2 3,081 1,098 64 755 532 3.98 -388.5

Career ERA 3.98 vs. league average 4.00 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Win Mercer Stats, Bio & Career Records
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1894 WAS NL 17 23 50 39 30 0 3 339.1 445 145 126 72 3.85 5.33 (+28%) 3239.3
1895 WAS NL 13 23 44 38 32 0 2 313.1 432 154 96 85 4.42 4.77 (+7%) -493.9
1896 WAS NL 25 18 46 45 38 2 0 366.1 456 168 117 94 4.13 4.36 (+5%) 1017.2
1897 WAS NL 21 20 47 43 35 3 3 342.0 403 121 104 91 3.18 4.30 (+26%) 1585.5
1898 WAS NL 12 18 33 30 24 0 0 233.2 309 125 71 52 4.81 3.59 (-34%) -178.4
1899 WAS NL 7 14 23 21 21 0 0 186.0 234 95 53 28 4.60 3.85 (-20%) 584.7
1900 NY1 NL 13 17 33 29 26 1 0 242.2 303 104 58 39 3.86 3.68 (-5%) -281.5
1901 WS1 AL 9 13 24 22 19 1 1 179.2 217 91 50 31 4.56 3.49 (-31%) -3031.9
1902 DET AL 15 18 35 33 28 4 1 281.2 282 95 80 40 3.04 3.17 (+4%) -2829.4
Career · 9 seasons 132 164 335 300 253 11 10 2,484.2 3,081 1,098 755 532 3.98 — -388

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

Win Mercer — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
566 1,773 278 506 39 23 7 197 88 141 178 .285 .344 .345 .689 -941

Career AVG .285 vs. league average .283 across their career seasons — near league average.

Career OBP .344 vs. league average .345 across their career seasons — near league average.

Career SLG .345 vs. league average .375 across their career seasons — 8.0% below league average.

Career OPS .689 vs. league average .720 across their career seasons — near league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Win Mercer Stats, Bio & Career Records
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1894 WAS NL 53 165 29 48 5 2 2 29 9 9 20 .291 .309 (-6%) .379 (-14%) .435 (-12%) .814 (-13%) -395.2
1895 WAS NL 64 201 26 51 9 1 1 26 7 12 33 .254 .296 (-14%) .361 (-15%) .399 (-19%) .761 (-17%) -594.5
1896 WAS NL 49 156 23 38 1 1 1 14 9 9 18 .244 .290 (-16%) .354 (-15%) .387 (-27%) .741 (-21%) -523.4
1897 WAS NL 50 139 23 44 2 5 0 19 7 6 13 .317 .291 (+8%) .354 (avg) .387 (+4%) .741 (+2%) 21.7
1898 WAS NL 80 249 38 80 3 5 2 25 14 18 31 .321 .270 (+19%) .333 (+11%) .347 (+15%) .680 (+13%) 543.1
1899 WAS NL 108 375 73 112 6 7 1 35 16 32 17 .299 .282 (+6%) .343 (+5%) .366 (-2%) .710 (+1%) 152.1
1900 NY1 NL 76 248 32 73 4 0 0 27 15 26 26 .294 .279 (+6%) .338 (+8%) .366 (-15%) .705 (-4%) -48.3
1901 WS1 AL 51 140 26 42 7 2 0 16 10 23 13 .300 .271 (+10%) .326 (+23%) .359 (+5%) .686 (+14%) 430.9
1902 DET AL 35 100 8 18 2 0 0 6 1 6 7 .180 .266 (-33%) .321 (-30%) .343 (-42%) .665 (-36%) -527.1
Career · 9 seasons 566 1,773 278 506 39 23 7 197 88 141 178 .285 — — — — -941

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 (500 games) →

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

Batting — Home / Away

Win Mercer — Batting — Home / Away
SplitGABRHHRRBIAVG
Home173516103156255.302
Away17959474169155.285

Pitching — Home / Away

Win Mercer — Pitching — Home / Away
SplitGIPHERBBSOERA
Home76581.16612251441143.48
Away72543.0685276167764.57

Last 10 Games — Batting

Win Mercer — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1902-09-27 DETCLEL 200000010
1902-09-23 DETCLEW 401000000
1902-09-19 DETCHWL 302000100
1902-09-14 DETCHWL 300000000
1902-09-08 DETSLAL 200000020
1902-09-05 DETBLAL 211000000
1902-08-30 DETBOSL 201000001
1902-08-28 DETBOSW 300000000
1902-08-16 DETBOSL 300000001
1902-08-13 DETPHAL 300000001

Last 10 Games — Pitching

Win Mercer — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1902-09-27 DETCLE L 9.0822100
1902-09-23 DETCLE W 9.0500220
1902-09-19 DETCHW L 8.01296000
1902-09-14 DETCHW L 7.0742800
1902-09-08 DETSLA L 9.01385110
1902-09-05 DETBLA L 5.010103221
1902-08-30 DETBOS L 7.01077121
1902-08-28 DETBOS W 9.0600520
1902-08-16 DETBOS L 8.01076210
1902-08-13 DETPHA L 8.01385320

Fielding Statistics

Career Fielding Totals by Position

Win Mercer — Career Fielding Totals by Position
Position G GS PO A E DP
1B 8 0 60 2 5 7
2B 5 0 7 12 1 1
3B 90 0 100 154 50 8
OF 76 0 109 13 17 3
P 335 0 167 611 84 19
SS 39 0 64 92 34 12

Season-by-Season Fielding

Win Mercer — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1894 WAS OF 4 0 6 1 1 0
1894 WAS P 50 0 15 69 5 1
1895 WAS 2B 1 0 1 2 0 0
1895 WAS 3B 3 0 4 5 1 0
1895 WAS OF 6 0 7 1 0 0
1895 WAS P 44 0 25 58 12 2
1895 WAS SS 7 0 8 11 12 1
1896 WAS OF 1 0 1 0 0 0
1896 WAS P 46 0 36 89 21 3
1897 WAS P 47 0 24 67 15 4
1898 WAS 2B 1 0 0 0 0 0
1898 WAS 3B 5 0 6 4 2 0
1898 WAS OF 19 0 33 0 3 0
1898 WAS P 33 0 14 49 10 2
1898 WAS SS 23 0 38 63 14 6
1899 WAS 1B 1 0 0 0 1 0
1899 WAS 3B 62 0 71 94 30 6
1899 WAS OF 16 0 29 3 6 1
1899 WAS P 23 0 9 59 3 1
1899 WAS SS 1 0 0 0 0 0
1900 NY1 2B 3 0 6 10 1 1
1900 NY1 3B 19 0 18 51 17 2
1900 NY1 OF 14 0 19 3 0 0
1900 NY1 P 33 0 14 67 6 3
1900 NY1 SS 7 0 18 18 8 5
1901 WS1 1B 7 0 60 2 4 7
1901 WS1 3B 1 0 1 0 0 0
1901 WS1 OF 16 0 14 5 7 2
1901 WS1 P 24 0 17 50 4 1
1901 WS1 SS 1 0 0 0 0 0
1902 DET P 35 0 13 103 8 2

Career Games by Position

Position Diamond

Circle size = games played at each position.

Win Mercer Stats, Bio & Career Records
Position Games
Pitcher 335
First Base 8
Second Base 5
Third Base 90
Shortstop 39
Left Field 21
Center Field 25
Right Field 30

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Win Mercer (highlighted) compared to peers across the same era.

  1. 98
    Red Ehret
    139-167, 4.02 ERA
  2. 92
    Frank Dwyer
    177-151, 3.84 ERA
  3. 89
    Bert Cunningham
    142-167, 4.22 ERA
  4. 86
    Frank Killen
    164-131, 3.78 ERA
  5. 85
    Jack Taylor
    120-117, 4.22 ERA
  6. 81
    Ad Gumbert
    123-102, 4.27 ERA

Win Mercer: the record in brief

According to the bio, Win Mercer debuted on April 21, 1894 and played a final game on September 27, 1902. Mercer played for the Washington Senators (1894 through 1901), the New York Giants (1900), and the Detroit Tigers (1902). At 5 feet, 9 inches and 154 pounds, Mercer is listed as a pitcher. The bio says Mercer hit left-handed while throwing right-handed. Mercer was born on June 20, 1874, in Chester, WV, USA. Mercer died on January 12, 1903, in San Francisco, CA, USA. The given name on file is George Barclay Mercer.

Mercer's career pitching line is 132 wins, 164 losses and a 3.98 ERA over 335 appearances. Mercer had 532 strikeouts, 253 complete games, 11 shutouts, and 10 saves. Mercer's 3.98 ERA was close to the 4.00 league figure for those seasons. Mercer won 25 games in 1896, the most of any season listed. In 1902, one of the busiest seasons, Mercer posted a 3.04 ERA; the league figure that year was 3.17.

Frequently Asked Questions about Win Mercer

What years did Win Mercer play?
Win Mercer played in Major League Baseball from 1894 to 1902.
Was Win Mercer a pitcher?
Yes. Win Mercer pitched in the major leagues, recording 132 wins and 532 strikeouts.
How many home runs did Win Mercer hit?
Win Mercer hit 7 career home runs with 506 hits.
What was Win Mercer's career batting average?
Win Mercer batted .285 over his career, with 506 hits in 1,773 at bats.
How many RBI did Win Mercer have?
Win Mercer drove in 197 runs in his career.
What was Win Mercer's career ERA?
Win Mercer finished with a 3.98 career ERA, going 132-164 with 532 strikeouts.