Oakland Athletics (1968-99)
Single Season ERA (min 100 IP)
RANK OAKLAND A'S PITCHERS YEAR ERA IP ER
1 Blue, Vida 1971 1.82 312.0 63 2 Grant, Mudcat 1970 1.82 123.3 25 3 Fingers, Rollie 1973 1.92 126.7 27 4 Hunter, Catfish 1972 2.04 295.3 67 5 Lindblad, Paul 1974 2.06 100.7 23 6 Nash, Jim 1968 2.28 228.7 58 7 Todd, Jim 1975 2.29 122.0 31 8 McCatty, Steve 1981 2.33 185.7 48 9 Blue, Vida 1976 2.35 298.3 78 10 Odom, Blue Moon 1968 2.45 231.3 63 11 Fingers, Rollie 1976 2.47 134.7 37 12 Hunter, Catfish 1974 2.49 318.3 88 13 Torrez, Mike 1976 2.50 266.3 74 14 Odom, Blue Moon 1972 2.50 194.3 54 15 Fingers, Rollie 1972 2.51 111.3 31 16 Holtzman, Ken 1972 2.51 265.3 74 17 Norris, Mike 1980 2.53 284.3 80 18 Segui, Diego 1970 2.56 162.0 46 19 Stewart, Dave 1990 2.56 267.0 76 20 Moore, Mike 1989 2.61 241.7 70 21 Torrealba, Pablo 1977 2.62 116.7 34 22 Sosa, Elias 1978 2.64 109.0 32 23 Fingers, Rollie 1974 2.65 119.0 35 24 Ontiveros, Steve 1994 2.65 115.3 34 25 Lindblad, Paul 1975 2.72 122.3 37 26 Blue, Vida 1972 2.80 151.0 47 27 Keough, Matt 1980 2.92 250.0 81 28 Odom, Blue Moon 1969 2.92 231.3 75 29 Hamilton, Dave 1972 2.93 101.3 33 30 Welch, Bob 1990 2.95 238.0 78 31 Moore, Mike 1991 2.96 210.0 69 32 Hunter, Catfish 1971 2.96 273.7 90 33 Coleman, Joe 1977 2.96 127.7 42 34 Holtzman, Ken 1973 2.97 297.3 98 35 Fingers, Rollie 1975 2.98 126.7 42 36 Fingers, Rollie 1971 2.99 129.3 43 37 Langford, Rick 1981 2.99 195.3 65 38 Dobson, Chuck 1968 3.00 225.3 75 39 Welch, Bob 1989 3.00 209.7 70 40 Lacey, Bob 1978 3.01 119.7 40 41 Blue, Vida 1975 3.01 278.0 93 42 Lacey, Bob 1977 3.03 121.7 41 43 Eckersley, Dennis 1987 3.03 115.7 39 44 Lindblad, Paul 1976 3.06 114.7 39 45 Nelson, Gene 1988 3.06 111.7 38 46 Holtzman, Ken 1974 3.07 255.3 87 47 Krausse, Lew 1968 3.11 185.0 64 48 Segui, Diego 1971 3.14 146.3 51 49 Holtzman, Ken 1975 3.14 266.3 93 50 Burris, Ray 1984 3.15 211.7 74 51 Hamilton, Dave 1974 3.15 117.0 41 52 Burns, Todd 1988 3.16 102.7 36 53 Rogers, Kenny 1998 3.17 238.7 84 54 Stewart, Dave 1988 3.23 275.7 99 55 *Hudson, Tim 1999 3.23 136.3 49 56 Keough, Matt 1978 3.24 197.3 71 57 Bahnsen, Stan 1975 3.24 100.0 36 58 Blue, Vida 1974 3.25 282.3 102 59 Heaverlo, Dave 1978 3.25 130.0 47 60 Langford, Rick 1980 3.26 290.0 105 61 Welch, Bob 1992 3.27 123.7 45 62 Blue, Vida 1973 3.28 263.7 96 63 Underwood, Tom 1982 3.29 153.0 56 64 Stewart, Dave 1989 3.32 257.7 95 65 Hunter, Catfish 1973 3.34 256.3 95 66 Bahnsen, Stan 1976 3.34 143.0 53 67 Hunter, Catfish 1968 3.35 234.0 87 68 Hunter, Catfish 1969 3.35 247.0 92 69 Johnson, John Henry 1978 3.39 186.0 70 70 Keough, Matt 1981 3.40 140.3 53 71 Langford, Rick 1978 3.43 175.7 67 72 Young, Curt 1986 3.45 198.0 76 73 Bosman, Dick 1975 3.52 122.7 48 74 *Jones, Doug 1999 3.55 104.0 41 75 Krueger, Bill 1983 3.61 109.7 44 76 Welch, Bob 1988 3.64 244.7 99 77 Fingers, Rollie 1970 3.65 148.0 60 78 Stewart, Dave 1992 3.66 199.3 81 79 Darling, Ron 1992 3.66 206.3 84 80 Nash, Jim 1969 3.67 115.3 47 81 Stewart, Dave 1987 3.68 261.3 107 82 Davis, Storm 1988 3.70 201.7 83 83 Fingers, Rollie 1969 3.71 119.0 49 84 Young, Curt 1989 3.73 111.0 46 85 Stewart, Dave 1986 3.74 149.3 62 86 Dobson, Chuck 1970 3.74 267.0 111 87 Norris, Mike 1981 3.75 172.7 72 88 Odom, Blue Moon 1970 3.80 156.3 66 89 Hunter, Catfish 1970 3.81 262.3 111 90 Dobson, Chuck 1971 3.81 189.0 80 91 Andujar, Joaquin 1986 3.82 155.3 66 92 Blue, Vida 1977 3.83 279.7 119 93 Kingman, Brian 1980 3.83 211.3 90 94 McCatty, Steve 1980 3.86 221.7 95 95 Dobson, Chuck 1969 3.86 235.3 101 96 Sanderson, Scott 1990 3.88 206.3 89 97 Sutton, Don 1985 3.89 194.3 84 98 Nelson, Gene 1987 3.93 123.7 54 99 Conroy, Tim 1983 3.94 162.3 71 100 Kingman, Brian 1981 3.95 100.3 44 101 McCatty, Steve 1982 3.99 128.7 57 102 McCatty, Steve 1983 3.99 167.0 74 103 Ontiveros, Steve 1987 4.00 150.7 67 104 Birtsas, Tim 1985 4.01 141.3 63 105 Langford, Rick 1977 4.02 208.3 93 106 Underwood, Tom 1983 4.04 144.7 65 107 Young, Curt 1984 4.06 108.7 49 108 Young, Curt 1987 4.08 203.0 92 109 Bosman, Dick 1976 4.10 112.0 51 110 Moore, Mike 1992 4.12 223.0 102 111 Young, Curt 1988 4.14 156.3 72 112 Prieto, Ariel 1996 4.15 125.7 58 113 Langford, Rick 1982 4.21 237.3 111 114 Witt, Bobby 1993 4.21 220.0 103 115 McCatty, Steve 1979 4.22 185.7 87 116 Mitchell, Paul 1976 4.25 142.0 67 117 Abbott, Glenn 1975 4.25 114.3 54 118 Langford, Rick 1979 4.28 218.7 104 119 Odom, Blue Moon 1971 4.29 140.7 67 120 Renko, Steve 1978 4.29 151.0 72 121 *Rogers, Kenny 1999 4.30 119.3 57 122 Atherton, Keith 1985 4.30 104.7 50 123 Kingman, Brian 1979 4.31 112.7 54 124 Atherton, Keith 1984 4.33 104.0 50 125 Davis, Storm 1989 4.36 169.3 82 126 Ontiveros, Steve 1995 4.37 129.7 63 127 Krausse, Lew 1969 4.44 140.0 69 128 Codiroli, Chris 1985 4.46 226.0 112 129 Codiroli, Chris 1983 4.46 205.7 102 130 Kingman, Brian 1982 4.48 122.7 61 131 Odom, Blue Moon 1973 4.49 150.3 75 132 Darling, Ron 1994 4.50 160.0 80 133 Krueger, Bill 1985 4.52 151.3 76 134 Stottlemyre, Todd 1995 4.55 209.7 106 135 Welch, Bob 1991 4.58 220.0 112 136 Broberg, Pete 1978 4.62 165.7 85 137 Rijo, Jose 1986 4.65 193.7 100 138 Moore, Mike 1990 4.65 199.3 103 139 Medich, Doc 1977 4.69 147.7 77 140 Krueger, Bill 1984 4.75 142.0 75 141 McCatty, Steve 1984 4.76 179.7 95 142 Norris, Mike 1982 4.76 166.3 88 143 Reyes, Carlos 1996 4.78 122.3 65 144 Norris, Mike 1979 4.80 146.3 78 145 *Heredia, Gil 1999 4.81 200.3 107 146 Candiotti, Tom 1998 4.84 201.0 108 147 Young, Curt 1990 4.85 124.3 67 148 Van Poppel, Todd 1995 4.88 138.3 75 149 Sorensen, Larry 1984 4.91 183.3 100 150 Oquist, Mike 1997 5.02 107.7 60 151 Prieto, Ariel 1997 5.04 125.0 70 152 Witt, Bobby 1994 5.04 135.7 76 153 Keough, Matt 1979 5.04 176.7 99 154 Haynes, Jimmy 1998 5.09 194.3 110 155 Mohler, Mike 1997 5.13 101.7 58 156 Darling, Ron 1993 5.16 178.0 102 157 Stewart, Dave 1991 5.18 226.0 130 158 Owchinko, Bob 1982 5.21 102.0 59 159 Slusarski, Joe 1991 5.27 109.3 64 160 Welch, Bob 1993 5.29 166.7 98 161 Plunk, Eric 1986 5.31 120.3 71 162 *Oquist, Mike 1999 5.37 140.7 84 163 Minetto, Craig 1979 5.55 118.3 73 164 Wengert, Don 1996 5.58 161.3 100 165 Downs, Kelly 1993 5.64 119.7 75 166 Keough, Matt 1982 5.72 209.3 133 167 Karsay, Steve 1997 5.77 132.7 85 168 Wasdin, John 1996 5.96 131.3 87 169 Johns, Doug 1996 5.98 158.0 105 170 Wengert, Don 1997 6.04 134.0 90 171 Telgheder, Dave 1997 6.06 101.0 68 172 Van Poppel, Todd 1994 6.09 116.7 79 173 Oquist, Mike 1998 6.22 175.0 121 174 Darling, Ron 1995 6.23 104.0 72 175 *Haynes, Jimmy 1999 6.34 142.0 100 176 Stein, Blake 1998 6.37 117.3 83
* denotes 1999 season