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Willie Hernandez

Guillermo (Villanueva) Hernandez
as played as Guillermo

Position: Pitcher
Bats: Left, Throws: Left
Height: 6' 3", Weight: 180 lb.

Born: November 14, 1954 in Aguada, PR
High School: Su Martin Hernandez HS (Aguada, PR)

Major League Stats / View Player Bio from the SABR BioProject


Minors Pitching

Year Age AgeDif Tm Lg Lev Aff W L W-L% ERA G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
1974 19 -1.9 Spartanburg WCRS A PHI 11 11 .500 2.75 26 26 13 1 0 190.0 169 82 58 11 49 0 179 5 0 15 1.147 8.0 0.5 2.3 8.5 3.65
1975 20 -3.3 2 Teams 2 Lgs AA-AAA PHI 14 6 .700 3.11 26 24 11 1 0 171.0 165 75 59 8 51 7 92 1 0 7 1.263 8.7 0.4 2.7 4.8 1.80
1975 20 -2.2 Reading EL AA PHI 8 2 .800 2.97 13 11 7 1 0 91.0 79 32 30 5 25 3 46 1 0 3 1.143 7.8 0.5 2.5 4.5 1.84
1975 20 -4.5 Toledo IL AAA PHI 6 4 .600 3.26 13 13 4 0 0 80.0 86 43 29 3 26 4 46 0 0 4 1.400 9.7 0.3 2.9 5.2 1.77
1976 21 -3.7 Oklahoma City AA AAA PHI 8 9 .471 4.53 25 23 3 1 0 135.0 154 82 68 18 30 5 88 2 0 1 1.363 10.3 1.2 2.0 5.9 2.93
1981 26 0.9 Iowa AA AAA CHC 4 5 .444 3.89 18 8 8 2 0 2 74.0 84 39 32 5 27 0 41 3 0 2 1.500 10.2 0.6 3.3 5.0 1.52
1987 32 5.6 Toledo IL AAA DET 0 0 3.00 2 0 0 0 0 0 3.0 4 1 1 0 1 0 2 0 0 0 1.667 12.0 0.0 3.0 6.0 2.00
1991 36 10.2 Syracuse IL AAA TOR 1 1 .500 4.22 8 0 2 0 0 0 10.2 10 5 5 2 4 0 9 1 0 0 1.312 8.4 1.7 3.4 7.6 2.25
1995 40 13.4 Columbus IL AAA NYY 2 1 .667 7.67 22 0 10 0 0 0 27.0 43 24 23 3 12 0 16 2 1 2 134 2.037 14.3 1.0 4.0 5.3 1.33
7 Seasons 40 33 .548 3.63 127 81 20 29 3 2 610.2 629 308 246 47 174 12 427 14 1 27 134 1.315 9.3 0.7 2.6 6.3 2.45
A (1 season) A 11 11 .500 2.75 26 26 13 1 0 190.0 169 82 58 11 49 0 179 5 0 15 1.147 8.0 0.5 2.3 8.5 3.65
AA (1 season) AA 8 2 .800 2.97 13 11 7 1 0 91.0 79 32 30 5 25 3 46 1 0 3 1.143 7.8 0.5 2.5 4.5 1.84
AAA (6 seasons) AAA 21 20 .512 4.31 88 44 20 9 1 2 329.2 381 194 158 31 100 9 202 8 1 9 134 1.459 10.4 0.8 2.7 5.5 2.02
A 7890 (underlined) value in the totals indicates career mark is incomplete.

Minors Batting

Year Age AgeDif Tm Lg Lev Aff G PA AB R H 2B 3B HR RBI SB CS BB SO BA OBP SLG OPS TB GDP HBP SH SF IBB
1974 19 -1.9 Spartanburg WCRS A PHI 26 73 66 6 11 2 0 1 4 0 0 1 19 .167 .191 .242 .434 16 1 5 0
1975 20 -4.4 2 Teams 2 Lgs AAA-AA PHI 26 33 27 3 4 2 0 0 1 0 0 2 7 .148 .207 .222 .429 6 0 4 0
1975 20 -2.9 Reading EL AA PHI 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1975 20 -4.4 Toledo IL AAA PHI 13 33 27 3 4 2 0 0 1 0 0 2 7 .148 .207 .222 .429 6 0 4 0
1976 21 -3.9 Oklahoma City AA AAA PHI 25 33 24 1 2 0 0 0 4 0 0 0 10 .083 .111 .083 .194 2 1 6 2
1981 26 1.2 Iowa AA AAA CHC 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1987 32 6.5 Toledo IL AAA DET 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1991 36 10.1 Syracuse IL AAA TOR 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
1995 40 13.6 Columbus IL AAA NYY 22 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
7 Seasons 128 139 117 10 17 4 0 1 9 0 0 3 36 .145 .177 .205 .383 24 0 2 15 2 0
A (1 season) A 26 73 66 6 11 2 0 1 4 0 0 1 19 .167 .191 .242 .434 16 1 5 0
AA (1 season) AA 13 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AAA (6 seasons) AAA 89 66 51 4 6 2 0 0 5 0 0 2 17 .118 .161 .157 .318 8 0 1 10 2 0
A 7890 (underlined) value in the totals indicates career mark is incomplete.

Minors Fielding

Year Age Tm Lg Lev Aff G CG Ch PO A E DP Fld% RF/G SB CS CS% lgCS% PO
1974 19 Spartanburg WCRS A PHI P 26 32 6 25 1 1 .969 1.19
1975 20 2 Teams 2 Lgs AA-AAA PHI P 26 40 7 29 4 0 .900 1.38
1975 20 Reading EL AA PHI P 13 24 5 16 3 0 .875 1.62
1975 20 Toledo IL AAA PHI P 13 16 2 13 1 0 .938 1.15
1976 21 Oklahoma City AA AAA PHI P 25 27 2 21 4 1 .852 0.92
1981 26 Iowa AA AAA CHC P 18 20 3 17 0 1 1.000 1.11
1987 32 Toledo IL AAA DET P 2 0 0 0 0 0 0.00
1991 36 Syracuse IL AAA TOR P 8 3 0 3 0 1 1.000 0.38
1995 40 Columbus IL AAA NYY P 22 6 2 4 0 1 1.000 0.27 2 1 33%
7 Seasons 127 128 20 99 9 5 .930 0.94 2 1 33%
A 7890 (underlined) value in the totals indicates career mark is incomplete.

Teams Played For

Year Age Tm Lg Lev Aff
1974 19 Spartanburg Phillies Western Carolinas League A PHI
1975 20 Toledo Mud Hens International League AAA PHI
1975 20 Reading Phillies Eastern League AA PHI
1976 21 Oklahoma City 89ers American Association AAA PHI
1977 22 Chicago Cubs National League MLB CHC 1 1977-04-09 1977-09-25
1978 23 Chicago Cubs National League MLB CHC 1 1978-04-07 1978-09-21
1979 24 Chicago Cubs National League MLB CHC 1 1979-04-05 1979-09-08
1980 25 Chicago Cubs National League MLB CHC 1 1980-04-13 1980-09-20
1981 26 Iowa Oaks American Association AAA CHC
1981 26 Chicago Cubs National League MLB CHC 1 1981-08-10 1981-09-30
1982 27 Chicago Cubs National League MLB CHC 1 1982-04-05 1982-10-03
1983 28 Chicago Cubs National League MLB CHC 1 1983-04-09 1983-05-22
1983 28 Philadelphia Phillies National League MLB PHI 2 1983-05-27 1983-10-02
1984 29 Detroit Tigers American League MLB DET 1 1984-04-03 1984-09-30
1985 30 Detroit Tigers American League MLB DET 1 1985-04-08 1985-09-28
1986 31 Detroit Tigers American League MLB DET 1 1986-04-07 1986-10-01
1987 32 Toledo Mud Hens International League AAA DET
1987 32 Detroit Tigers American League MLB DET 1 1987-04-06 1987-09-27
1988 33 Detroit Tigers American League MLB DET 1 1988-04-06 1988-10-02
1989 34 Detroit Tigers American League MLB DET 1 1989-04-07 1989-08-18
1991 36 Syracuse Chiefs International League AAA TOR
1995 40 Columbus Clippers International League AAA NYY

Sabr ID: c8f40717

About the Minor League Data

Performance data on minor and international leagues is licensed from and provided by the SABR Minor Leagues Database, a community project sponsored by the Minor Leagues Committee of the Society for American Baseball Research.

The database is under active development. Many statistics are incomplete due to ongoing research and/or limitations in published sources. To learn more about these limitations, or to find out how to contribute, click here.

Minor league Total Zone (Rctch&Rtz, 2005-2009) data provided by Baseballprojection.com and Minorleaguesplits.com.