1979 Minnesota Twins Starters
(82-80) 
Starters
Starter Date Vs. IP BF W/L ER R H K BB HR Pit Str Ball Str%
Dave Goltz Apr 6 OAK 8.1 31 W 3 3 8 3 1 0 None None None None
Roger Erickson Apr 7 OAK 9.0 33 1 1 4 1 3 1 None None None None
Geoff Zahn Apr 8 OAK 9.0 30 W 1 1 3 7 0 0 None None None None
Jerry Koosman Apr 10 CAL 7.2 35 W 1 1 8 5 4 0 None None None None
Dave Goltz Apr 11 CAL 6.1 30 L 5 6 10 1 3 0 None None None None
Roger Erickson Apr 12 CAL 3.2 17 L 3 3 6 0 1 1 None None None None
Geoff Zahn Apr 13 SEA 6.0 23 W 2 2 8 0 1 1 None None None None
Paul Hartzell Apr 14 SEA 7.1 32 5 5 12 2 2 0 None None None None
Jerry Koosman Apr 15 SEA 9.0 38 W 6 6 12 5 1 3 None None None None
Dave Goltz Apr 17 @CAL 4.1 20 L 4 5 9 0 0 1 None None None None
Roger Erickson Apr 18 @CAL 1.2 14 L 2 5 4 1 4 0 None None None None
Paul Hartzell Apr 19 @CAL 7.0 29 3 3 7 2 1 3 None None None None
Jerry Koosman Apr 21 @SEA 6.2 31 W 4 5 10 5 2 0 None None None None
Dave Goltz Apr 22 @SEA 9.0 34 W 1 1 5 2 4 0 None None None None
Roger Erickson Apr 24 CLE 1.2 13 L 6 6 4 0 4 1 None None None None
Paul Hartzell Apr 25 CLE 4.2 20 2 2 5 2 1 1 None None None None
Jerry Koosman Apr 27 DET 8.0 30 W 3 3 7 8 2 2 None None None None
Dave Goltz Apr 28 DET 6.0 27 L 4 4 9 1 3 0 None None None None
Geoff Zahn Apr 29 DET 5.2 25 W 3 3 11 2 1 0 None None None None
Paul Hartzell Apr 30 TOR 9.0 36 W 3 3 7 0 2 1 None None None None
Jerry Koosman May 1 TOR 6.0 29 W 2 2 9 5 2 0 None None None None
Dave Goltz May 2 TOR 7.0 32 W 5 5 10 2 2 1 None None None None
Roger Erickson May 3 @DET 1.1 11 3 3 4 2 3 0 None None None None
Pete Redfern May 4 @DET 4.0 22 1 3 5 4 4 0 None None None None
Paul Hartzell May 5 @DET 4.0 24 L 6 6 11 1 3 0 None None None None
Jerry Koosman May 6 @DET 7.1 32 5 6 9 5 2 1 None None None None
Dave Goltz May 7 @TOR 9.0 36 W 1 1 7 6 2 0 None None None None
Roger Erickson May 8 @TOR 5.0 23 5 5 7 2 2 1 None None None None
Paul Hartzell May 11 @CLE 7.0 27 3 3 6 4 2 1 None None None None
Jerry Koosman May 12 @CLE 7.2 32 W 0 0 4 5 6 0 None None None None
Dave Goltz May 13 @CLE 9.0 35 L 3 3 8 4 1 0 None None None None
Roger Erickson May 14 @TEX 5.0 24 4 4 8 0 3 0 None None None None
Pete Redfern May 15 @TEX 5.0 21 4 4 7 3 1 2 None None None None
Paul Hartzell May 16 @TEX 5.2 26 L 7 7 8 0 1 0 None None None None
Jerry Koosman May 17 KCR 8.0 34 W 3 5 8 4 3 0 None None None None
Dave Goltz May 18 KCR 8.2 37 6 6 9 2 2 0 None None None None
Roger Erickson May 20 KCR 6.0 26 L 5 5 6 3 3 1 None None None None
Paul Hartzell May 21 TEX 5.2 26 4 5 8 1 1 1 None None None None
Jerry Koosman May 22 TEX 7.1 30 L 4 4 8 3 1 1 None None None None
Dave Goltz May 23 TEX 5.0 22 L 6 6 7 3 1 4 None None None None
Roger Erickson May 25 @KCR 6.0 25 2 2 8 3 1 1 None None None None
Paul Hartzell May 26 @KCR 6.2 27 L 5 5 9 1 0 0 None None None None
Jerry Koosman May 27 @KCR 9.0 33 L 2 2 7 6 1 1 None None None None
Dave Goltz May 28 @OAK 6.0 26 5 5 8 2 1 1 None None None None
Roger Erickson May 30 @OAK 6.1 27 L 5 5 7 2 1 0 None None None None
Paul Hartzell May 31 @OAK 9.0 38 W 2 2 12 2 0 0 None None None None
Jerry Koosman Jun 1 @BOS 9.0 36 L 5 5 4 4 6 1 None None None None
Dave Goltz Jun 2 @BOS 9.0 34 W 2 2 6 3 2 0 None None None None
Geoff Zahn Jun 3 @BOS 3.0 12 L 3 3 3 1 0 1 None None None None
Roger Erickson Jun 4 BAL 6.0 26 2 2 7 4 1 1 None None None None
Paul Hartzell Jun 5 BAL 8.1 30 W 1 1 5 3 0 0 None None None None
Jerry Koosman Jun 6 NYY 8.1 34 L 3 3 7 5 3 0 None None None None
Geoff Zahn Jun 7 NYY 5.1 19 W 1 1 3 0 2 1 None None None None
Dave Goltz Jun 8 BOS 7.2 33 L 2 2 9 3 3 0 None None None None
Roger Erickson Jun 9 BOS 4.1 23 L 7 7 10 2 0 3 None None None None
Paul Hartzell Jun 10 BOS 6.0 27 L 4 4 8 2 2 2 None None None None
Jerry Koosman Jun 12 @NYY 8.2 37 L 4 4 9 1 3 0 None None None None
Dave Goltz Jun 13 @NYY 4.0 20 6 6 7 3 1 3 None None None None
Geoff Zahn Jun 14 @NYY 6.0 24 W 2 2 5 2 3 1 None None None None
Paul Hartzell Jun 15 @BAL 6.2 27 4 4 7 2 1 2 None None None None
Jerry Koosman Jun 17 @BAL 3.2 19 L 6 6 7 1 1 1 None None None None
Dave Goltz Jun 19 MIL 2.2 19 5 5 10 1 1 0 None None None None
Paul Hartzell Jun 20 MIL 5.2 31 L 3 6 9 2 3 0 None None None None
Gary Serum Jun 21 MIL 7.0 29 L 3 3 10 3 0 0 None None None None
Geoff Zahn Jun 22 CWS 8.0 31 W 3 3 7 1 1 0 None None None None
Dave Goltz Jun 23 CWS 9.0 35 W 1 1 7 9 2 0 None None None None
Darrell Jackson Jun 24 CWS 4.2 21 2 3 5 2 1 0 None None None None
Jerry Koosman Jun 24 (2) CWS 8.0 33 W 1 1 7 7 3 0 None None None None
Paul Hartzell Jun 26 @MIL 3.2 22 6 6 7 2 2 0 None None None None
Gary Serum Jun 27 @MIL 4.2 26 L 8 8 12 2 3 3 None None None None
Dave Goltz Jun 28 @MIL 8.2 37 4 5 7 5 5 0 None None None None
Jerry Koosman Jun 29 @CWS 9.0 35 W 2 2 7 6 4 1 None None None None
Geoff Zahn Jun 30 @CWS 8.1 36 W 3 4 11 2 0 1 None None None None
Paul Hartzell Jul 1 @CWS 10.0 38 W 1 1 8 1 2 1 None None None None
Darrell Jackson Jul 2 @SEA 8.0 31 W 0 0 5 2 3 0 None None None None
Dave Goltz Jul 3 @SEA 0.2 3 0 0 1 1 0 0 None None None None
Gary Serum Jul 3 (2) @SEA 2.1 16 L 4 4 8 3 1 1 None None None None
Jerry Koosman Jul 4 @SEA 9.0 35 W 2 2 4 5 3 0 None None None None
Geoff Zahn Jul 5 @SEA 8.2 42 L 3 4 10 1 4 0 None None None None
Paul Hartzell Jul 6 CLE 3.1 18 L 5 5 6 0 2 0 None None None None
Darrell Jackson Jul 7 CLE 3.1 19 L 3 5 7 2 2 1 None None None None
Gary Serum Jul 8 CLE 4.0 18 3 3 5 1 2 0 None None None None
Dave Goltz Jul 8 (2) CLE 9.0 35 W 2 2 7 7 1 1 None None None None
Jerry Koosman Jul 9 DET 7.0 29 W 2 3 9 3 1 1 None None None None
Geoff Zahn Jul 10 DET 6.2 29 3 3 6 1 3 1 None None None None
Darrell Jackson Jul 11 DET 6.2 27 W 0 0 5 7 2 0 None None None None
Dave Goltz Jul 13 TOR 5.1 24 W 4 4 9 2 2 0 None None None None
Jerry Koosman Jul 14 TOR 2.2 15 L 3 4 7 0 1 1 None None None None
Geoff Zahn Jul 15 TOR 8.0 33 W 4 4 8 0 2 0 None None None None
Jerry Koosman Jul 19 @DET 3.2 21 L 6 6 6 3 4 0 None None None None
Darrell Jackson Jul 20 @DET 3.0 15 5 5 7 1 1 2 None None None None
Dave Goltz Jul 21 @TOR 7.0 31 W 2 4 10 2 2 0 None None None None
Paul Hartzell Jul 21 (2) @TOR 9.0 35 W 3 3 7 6 2 1 None None None None
Pete Redfern Jul 22 @TOR 7.0 25 W 1 1 5 9 1 1 None None None None
Geoff Zahn Jul 23 @TOR 4.0 21 4 4 8 2 3 0 None None None None
Jerry Koosman Jul 24 @CLE 8.0 32 L 4 4 9 4 4 2 None None None None
Dave Goltz Jul 25 @CLE 9.0 32 L 2 2 7 4 2 1 None None None None
Paul Hartzell Jul 26 @CLE 3.1 14 2 2 5 1 1 1 None None None None
Geoff Zahn Jul 27 CAL 7.1 29 W 1 1 4 3 2 1 None None None None
Jerry Koosman Jul 28 CAL 4.1 22 L 3 3 6 5 3 0 None None None None
Darrell Jackson Jul 29 CAL 3.0 17 L 4 4 6 2 3 1 None None None None
Dave Goltz Jul 30 OAK 9.0 32 W 0 0 6 5 0 0 None None None None
Geoff Zahn Jul 31 OAK 8.1 32 L 2 2 8 6 2 0 None None None None
Paul Hartzell Aug 1 OAK 1.2 9 L 2 3 4 0 1 0 None None None None
Jerry Koosman Aug 3 @CAL 7.1 32 W 1 1 8 8 2 0 None None None None
Dave Goltz Aug 4 @CAL 8.0 35 L 5 5 8 4 3 0 None None None None
Geoff Zahn Aug 5 @CAL 4.0 20 5 5 8 2 1 1 None None None None
Pete Redfern Aug 5 (2) @CAL 6.1 29 W 1 1 6 10 4 0 None None None None
Darrell Jackson Aug 6 SEA 2.2 12 L 4 4 6 0 0 0 None None None None
Jerry Koosman Aug 7 SEA 7.2 32 W 2 2 7 4 2 0 None None None None
Dave Goltz Aug 8 SEA 8.0 33 W 1 1 8 7 2 0 None None None None
Pete Redfern Aug 10 @OAK 5.1 23 4 4 7 3 1 0 None None None None
Roger Erickson Aug 10 (2) @OAK 9.0 38 2 2 8 7 2 0 None None None None
Gary Serum Aug 11 @OAK 4.2 21 6 6 7 4 2 1 None None None None
Jerry Koosman Aug 12 @OAK 9.0 34 W 0 0 10 4 0 0 None None None None
Dave Goltz Aug 13 BOS 6.2 30 5 5 9 5 2 2 None None None None
Pete Redfern Aug 14 BOS 0.2 5 L 3 3 3 1 0 3 None None None None
Roger Erickson Aug 15 BOS 6.0 27 1 5 10 2 0 1 None None None None
Geoff Zahn Aug 16 NYY 8.0 29 W 1 1 5 3 0 1 None None None None
Jerry Koosman Aug 17 NYY 9.0 36 W 2 2 10 7 1 1 None None None None
Mike Marshall Aug 18 NYY 2.0 8 L 1 1 1 2 1 1 None None None None
Darrell Jackson Aug 19 NYY 8.0 33 L 4 4 10 4 2 0 None None None None
Roger Erickson Aug 20 @BOS 8.1 34 W 5 5 9 1 1 0 None None None None
Jerry Koosman Aug 21 @BOS 9.0 33 W 2 2 5 4 5 0 None None None None
Dave Goltz Aug 22 @BOS 7.0 32 L 4 6 9 7 1 0 None None None None
Geoff Zahn Aug 24 @NYY 5.0 25 L 6 7 11 4 0 1 None None None None
Jerry Koosman Aug 25 @NYY 8.0 35 W 0 1 9 6 2 0 None None None None
Paul Hartzell Aug 27 @BAL 5.0 23 2 2 7 1 2 0 None None None None
Dave Goltz Aug 27 (2) @BAL 8.2 39 L 5 5 9 10 4 2 None None None None
Roger Erickson Aug 29 @BAL 4.1 21 L 3 4 6 4 2 0 None None None None
Geoff Zahn Aug 29 (2) @BAL 6.1 31 L 5 5 7 2 5 2 None None None None
Jerry Koosman Aug 30 BAL 6.1 27 L 4 4 9 3 2 0 None None None None
Dave Goltz Aug 31 BAL 7.0 29 W 1 1 5 7 5 0 None None None None
Paul Hartzell Sep 1 BAL 7.0 25 W 2 2 6 2 0 1 None None None None
Roger Erickson Sep 2 BAL 7.1 32 L 3 3 7 3 5 1 None None None None
Geoff Zahn Sep 3 @KCR 9.0 33 L 1 1 7 7 2 0 None None None None
Jerry Koosman Sep 4 @KCR 9.0 29 W 1 1 2 7 0 1 None None None None
Dave Goltz Sep 5 @KCR 9.0 36 W 3 3 10 5 1 1 None None None None
Geoff Zahn Sep 7 @TEX 7.0 31 3 3 7 1 3 0 None None None None
Jerry Koosman Sep 8 @TEX 4.0 22 L 5 5 8 1 2 0 None None None None
Paul Hartzell Sep 9 @TEX 8.1 38 L 6 6 9 1 4 1 None None None None
Roger Erickson Sep 10 KCR 3.1 20 4 4 6 2 4 1 None None None None
Dave Goltz Sep 10 (2) KCR 9.0 37 W 2 2 9 4 1 2 None None None None
Geoff Zahn Sep 11 KCR 8.0 30 W 1 1 8 1 1 0 None None None None
Jerry Koosman Sep 12 KCR 7.1 30 L 2 4 6 4 2 0 None None None None
Paul Hartzell Sep 13 TEX 8.2 32 3 3 7 2 1 1 None None None None
Dave Goltz Sep 14 TEX 0.1 5 L 3 3 4 0 0 1 None None None None
Geoff Zahn Sep 15 TEX 7.0 31 W 4 4 12 1 0 1 None None None None
Roger Erickson Sep 16 TEX 7.0 28 W 1 1 7 0 2 1 None None None None
Jerry Koosman Sep 17 CWS 3.1 16 3 3 6 1 1 0 None None None None
Dave Goltz Sep 18 CWS 9.0 38 L 1 1 12 6 1 0 None None None None
Paul Hartzell Sep 19 CWS 2.0 15 L 6 6 4 2 5 0 None None None None
Geoff Zahn Sep 20 @NYY 9.0 35 W 1 1 7 2 3 0 None None None None
Jerry Koosman Sep 21 MIL 8.0 33 W 2 2 8 6 2 1 None None None None
Roger Erickson Sep 22 MIL 8.0 33 W 3 3 9 3 1 1 None None None None
Dave Goltz Sep 23 MIL 2.1 14 6 6 5 0 3 1 None None None None
Geoff Zahn Sep 25 @CWS 4.0 21 L 3 5 8 1 0 0 None None None None
Jerry Koosman Sep 26 @CWS 7.1 31 4 4 6 4 1 1 None None None None
Dave Goltz Sep 27 @CWS 10.0 42 L 4 4 12 5 1 1 None None None None
Roger Erickson Sep 28 @MIL 4.1 20 L 4 4 8 1 0 1 None None None None
Paul Hartzell Sep 29 @MIL 2.2 15 L 6 6 5 1 2 1 None None None None
Jerry Koosman Sep 30 @MIL 9.0 35 W 0 0 9 3 1 0 None None None None