Frank Duffy

Shortstop · Career Stats, Bio & Records (1970-1979)

AVG .232
HR 26
RBI 240
H 619
OPS .590
PIV -6,070
Position
Shortstop
Bats / Throws
R / R
Height / Weight
6'1" / 180 lb
Born
10/14/1946 in Oakland, CA, USA
MLB Debut
1970-09-04
Last Game
1979-05-11

Full name: Frank Thomas Duffy

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Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
915 2,665 248 619 104 14 26 240 49 171 342 .232 .279 .311 .590 -6,070

Career AVG .232 vs. league average .256 across their career seasons — 9.4% below league average.

Career OBP .279 vs. league average .323 across their career seasons — 13.6% below league average.

Career SLG .311 vs. league average .377 across their career seasons — 17.5% below league average.

Career OPS .590 vs. league average .700 across their career seasons — 15.7% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1970 CIN NL 6 11 1 2 2 0 0 0 1 1 2 .182 — — — — 0.0
1971 CIN NL 13 16 0 3 1 0 0 1 0 1 2 .188 — — — — 0.0
1971 SFN NL 21 28 4 5 0 0 0 2 0 0 10 .179 — — — — 0.0
1972 CLE AL 130 385 23 92 16 4 3 27 6 31 54 .239 .243 (-2%) .310 (-4%) .353 (-8%) .664 (-6%) -388.5
1973 CLE AL 116 361 34 95 16 4 8 50 6 25 41 .263 .256 (+2%) .325 (-4%) .378 (+5%) .703 (+1%) -43.5
1974 CLE AL 158 549 62 128 18 0 8 48 7 30 64 .233 .256 (-9%) .324 (-16%) .369 (-16%) .693 (-16%) -1405.3
1975 CLE AL 146 482 44 117 22 2 1 47 10 27 60 .243 .257 (-6%) .327 (-13%) .374 (-19%) .701 (-16%) -1291.3
1976 CLE AL 133 392 38 83 11 2 2 30 10 29 50 .212 .255 (-17%) .320 (-16%) .360 (-26%) .681 (-22%) -1278.9
1977 CLE AL 122 334 30 67 13 2 4 31 8 21 47 .201 .264 (-24%) .329 (-25%) .401 (-28%) .730 (-27%) -1470.4
1978 BOS AL 64 104 12 27 5 0 0 4 1 6 11 .260 .257 (+1%) .323 (-5%) .378 (-19%) .702 (-13%) -191.9
1979 BOS AL 6 3 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
Career · 11 seasons 915 2,665 248 619 104 14 26 240 49 171 342 .232 — — — — -6,070

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

G AB R H 2B 3B HR RBI BB SO AVG
1 1 0 0 0 0 0 0 0 1 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1971 NLCS SFN 1 1 0 0 0 0 0 0 0 1 .000

Game Log & Splits

View full game log (914 games) →

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

Batting — Home / Away

SplitGABRHHRRBIAVG
Home460123711426614104.215
Away454142813435312136.247

Last 10 Games — Batting

DateTmOppResABRH2B3BHRRBIBBSO
1979-05-11 BOSOAKW 200000000
1979-05-09 BOSLAAW 000000000
1979-05-06 BOSSEAL 000000000
1979-04-26 BOSSEAW 100000001
1979-04-17 BOSMILW 000000000
1979-04-10 BOSMILL 000000000
1978-09-27 BOSDETW 000000000
1978-09-24 BOSTORW 101000000
1978-09-22 BOSTORL 000000000
1978-09-18 BOSDETW 000000000

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
1B 1 0 0 0 0 0
2B 16 7 21 32 0 5
3B 23 3 10 15 1 1
SS 839 768 1292 2445 87 497

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1970 CIN SS 5 2 4 12 0 4
1971 CIN SS 10 4 10 24 2 5
1971 SFN 2B 1 0 1 1 0 0
1971 SFN 3B 1 0 0 1 0 0
1971 SFN SS 6 3 13 17 1 5
1972 CLE SS 126 117 197 360 13 75
1973 CLE SS 115 106 198 377 8 82
1974 CLE SS 158 156 242 491 15 83
1975 CLE SS 145 137 225 464 16 85
1976 CLE SS 132 120 222 344 10 83
1977 CLE SS 121 104 145 301 15 62
1978 BOS 2B 12 7 17 29 0 5
1978 BOS 3B 22 3 10 14 1 1
1978 BOS SS 21 19 36 55 7 13
1979 BOS 1B 1 0 0 0 0 0
1979 BOS 2B 3 0 3 2 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
First Base 1
Second Base 16
Third Base 23
Shortstop 839
Designated Hitter 6

College History

School Name City State Years Attended
Stanford University Palo Alto CA 1966, 1967

Most Similar Players

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

Career Spans

Frank Duffy (highlighted) compared to peers across the same era.

  1. 98
    John McDonald
    .233 avg, 28 HR
  2. 86
    Eddie Miksis
    .236 avg, 44 HR
  3. 83
    Brendan Ryan
    .233 avg, 19 HR
  4. 82
    John Kennedy
    .225 avg, 32 HR
  5. 80
    Alexi Amarista
    .231 avg, 21 HR
  6. 79
    Tom Veryzer
    .241 avg, 14 HR

Frequently Asked Questions about Frank Duffy

What years did Frank Duffy play?
Frank Duffy played in Major League Baseball from 1970 to 1979.
Was Frank Duffy a pitcher?
No. Frank Duffy was a position player (Shortstop).
How many home runs did Frank Duffy hit?
Frank Duffy hit 26 career home runs with 619 hits.