2021 Arizona Diamondbacks Starters
(52-110) 
Starters
Starter Date Vs. IP BF W/L ER R H K BB HR Pit Str Ball Str%
Madison Bumgarner Apr 1 SDP 4.0 23 6 6 7 6 3 2 91 58 33 .64
Merrill Kelly Apr 2 SDP 4.0 18 L 3 3 5 4 3 1 94 56 38 .60
Caleb Smith Apr 3 SDP 3.0 18 L 3 4 5 4 3 1 79 44 35 .56
Taylor Widener Apr 4 SDP 6.0 24 W 0 0 3 5 3 0 81 53 28 .65
Luke Weaver Apr 6 COL 5.2 21 3 3 4 3 0 3 82 55 27 .67
Madison Bumgarner Apr 7 COL 5.0 26 L 5 5 8 4 2 0 99 60 39 .61
Merrill Kelly Apr 8 COL 6.0 28 L 6 7 9 1 0 1 90 62 28 .69
Taylor Widener Apr 9 @CIN 5.0 23 3 4 7 3 0 1 83 55 28 .66
Riley Smith Apr 10 @CIN 6.0 25 W 2 2 8 2 1 0 82 59 23 .72
Luke Weaver Apr 11 @CIN 7.0 24 W 0 0 1 8 1 0 94 63 31 .67
Madison Bumgarner Apr 12 @OAK 4.2 24 L 6 6 7 5 3 1 98 61 37 .62
Zac Gallen Apr 13 @OAK 4.0 18 1 1 3 8 2 1 82 55 27 .67
Merrill Kelly Apr 15 WAS 6.0 28 W 6 6 9 5 1 2 96 61 35 .64
Taylor Widener Apr 16 WAS 6.0 23 0 0 4 3 2 0 94 60 34 .64
Luke Weaver Apr 17 WAS 4.0 21 L 4 4 8 3 0 1 94 63 31 .67
Madison Bumgarner Apr 18 WAS 5.0 18 W 1 1 2 5 1 1 80 49 31 .61
Zac Gallen Apr 20 CIN 5.2 25 3 3 4 6 4 0 98 57 41 .58
Merrill Kelly Apr 21 CIN 5.0 21 3 3 5 3 1 0 79 48 31 .61
Taylor Widener Apr 22 CIN 5.1 23 4 4 5 7 1 3 89 61 28 .69
Luke Weaver Apr 23 ATL 5.0 25 L 4 4 6 5 4 1 94 58 36 .62
Zac Gallen Apr 25 ATL 7.0 24 W 0 0 1 6 2 0 83 49 34 .59
Madison Bumgarner Apr 25 (2) ATL 7.0 21 W 0 0 0 7 0 0 98 73 25 .74
Merrill Kelly Apr 27 @SDP 6.0 23 W 1 1 4 5 2 0 95 61 34 .64
Riley Smith Apr 28 @SDP 4.0 17 L 3 3 6 0 0 0 46 31 15 .67
Luke Weaver Apr 29 @COL 4.0 19 3 3 5 4 4 0 85 54 31 .64
Madison Bumgarner Apr 30 @COL 5.0 20 W 1 1 4 6 1 0 81 52 29 .64
Zac Gallen May 1 @COL 4.0 22 L 4 4 6 7 2 0 93 57 36 .61
Merrill Kelly May 2 @COL 5.2 27 2 2 7 6 2 1 85 63 22 .74
Riley Smith May 4 MIA 5.0 21 3 3 5 4 2 1 75 49 26 .65
Luke Weaver May 5 MIA 4.0 20 L 6 6 6 6 2 1 81 54 27 .67
Madison Bumgarner May 6 MIA 6.0 21 1 1 2 7 0 1 85 58 27 .68
Zac Gallen May 7 NYM 6.0 26 1 2 4 5 4 0 96 57 39 .59
Merrill Kelly May 8 NYM 5.2 25 L 2 3 3 6 5 1 99 59 40 .60
Riley Smith May 9 NYM 4.0 16 L 2 2 4 1 1 0 51 32 19 .63
Luke Weaver May 10 @MIA 6.1 22 W 0 0 4 6 0 0 75 58 17 .77
Madison Bumgarner May 11 @MIA 7.0 25 W 0 0 4 9 0 0 84 62 22 .74
Matt Peacock May 12 @MIA 5.0 22 L 3 3 7 3 0 2 64 42 22 .66
Merrill Kelly May 13 @MIA 6.1 27 L 3 3 7 4 2 0 96 60 36 .63
Riley Smith May 14 @WAS 3.0 20 L 8 8 8 0 2 2 67 44 23 .66
Seth Frankoff May 15 @WAS 4.2 21 2 2 3 4 4 0 90 49 41 .54
Luke Weaver May 16 @WAS 4.0 15 0 0 1 3 2 0 68 40 28 .59
Madison Bumgarner May 17 LAD 4.0 18 L 2 2 2 5 4 1 80 49 31 .61
Corbin Martin May 18 LAD 5.0 23 L 3 3 4 6 4 2 96 55 41 .57
Matt Peacock May 19 LAD 5.1 20 1 1 4 4 0 0 85 53 32 .62
Merrill Kelly May 20 LAD 7.0 25 L 3 3 6 12 0 2 94 63 31 .67
Seth Frankoff May 21 COL 4.0 20 L 5 5 7 2 1 2 68 45 23 .66
Madison Bumgarner May 22 COL 6.0 27 L 5 7 8 2 0 1 99 67 32 .68
Taylor Widener May 23 COL 1.2 11 0 1 1 2 2 0 40 24 16 .60
Corbin Martin May 25 @SFG 4.0 20 L 6 6 5 2 3 1 78 46 32 .59
Merrill Kelly May 26 @SFG 6.0 23 2 2 5 6 0 0 81 60 21 .74
Jon Duplantier May 27 @STL 4.2 25 4 4 7 5 2 1 86 54 32 .63
Madison Bumgarner May 28 @STL 4.0 22 L 6 7 5 4 4 2 92 63 29 .68
Seth Frankoff May 29 @STL 5.0 27 L 7 7 7 5 4 1 85 51 34 .60
Matt Peacock May 30 @STL 6.0 23 W 2 2 6 6 0 1 78 57 21 .73
Merrill Kelly May 31 @NYM 6.2 30 L 5 5 9 6 2 1 83 58 25 .70
Caleb Smith Jun 1 @NYM 5.0 18 2 2 3 2 1 1 58 41 17 .71
Madison Bumgarner Jun 2 @NYM 2.0 13 5 5 8 2 0 1 48 32 16 .67
Jon Duplantier Jun 3 MIL 4.0 19 L 5 5 4 3 3 3 75 43 32 .57
Matt Peacock Jun 4 MIL 4.2 22 L 3 4 5 2 4 1 83 42 41 .51
Merrill Kelly Jun 5 MIL 6.0 25 4 5 6 4 1 1 85 62 23 .73
Caleb Smith Jun 6 MIL 5.0 21 L 1 1 3 8 2 1 84 57 27 .68
Jon Duplantier Jun 8 OAK 3.0 14 L 4 4 2 4 3 0 65 38 27 .58
Matt Peacock Jun 9 OAK 1.2 11 L 3 3 3 1 3 0 48 25 23 .52
Merrill Kelly Jun 11 @LAA 5.0 21 3 3 4 6 2 1 88 62 26 .70
Caleb Smith Jun 12 @LAA 4.1 21 4 4 5 6 3 1 103 65 38 .63
Jon Duplantier Jun 13 @LAA 1.1 12 L 6 6 6 0 0 1 44 30 14 .68
Matt Peacock Jun 14 SFG 5.0 27 L 3 3 10 3 3 1 94 59 35 .63
Alex Young Jun 15 SFG 4.0 17 3 3 5 2 1 1 57 37 20 .65
Merrill Kelly Jun 16 SFG 3.0 16 L 4 4 4 4 3 1 85 56 29 .66
Zac Gallen Jun 17 SFG 2.2 14 L 4 4 4 3 1 1 58 35 23 .60
Caleb Smith Jun 18 @LAD 6.0 21 0 0 1 5 4 0 91 55 36 .60
Matt Peacock Jun 19 @LAD 5.0 24 L 3 3 7 3 2 1 81 55 26 .68
Alex Young Jun 20 @LAD 3.0 17 L 5 5 7 3 2 1 70 43 27 .61
Merrill Kelly Jun 21 @MIL 7.0 26 W 1 1 5 5 1 0 94 61 33 .65
Zac Gallen Jun 22 @MIL 5.0 18 L 1 1 3 8 0 1 68 44 24 .65
Caleb Smith Jun 23 @MIL 6.0 28 L 1 1 4 6 4 0 101 60 41 .59
Corbin Martin Jun 25 SDP 0.1 7 L 4 4 3 0 2 2 25 13 12 .52
Merrill Kelly Jun 26 SDP 6.0 24 W 0 0 5 5 0 0 99 64 35 .65
Zac Gallen Jun 27 SDP 4.2 22 2 2 6 3 3 1 84 49 35 .58
Jake Faria Jun 28 STL 4.0 17 1 1 3 3 0 0 67 41 26 .61
Caleb Smith Jun 29 STL 5.0 23 L 2 2 4 8 3 1 98 67 31 .68
Riley Smith Jun 30 STL 3.0 16 L 4 4 7 1 0 0 60 39 21 .65
Merrill Kelly Jul 1 @SFG 7.0 28 W 3 3 7 7 0 2 92 66 26 .72
Zac Gallen Jul 2 @SFG 2.0 14 L 3 3 5 3 3 1 63 38 25 .60
Jake Faria Jul 3 @SFG 4.0 21 4 4 7 3 2 1 74 44 30 .59
Caleb Smith Jul 4 @SFG 6.0 24 L 5 5 5 5 1 2 99 66 33 .67
Merrill Kelly Jul 6 @COL 5.1 23 2 2 6 1 1 0 91 58 33 .64
Humberto Castellanos Jul 7 @COL 4.0 17 0 0 4 2 1 0 60 42 18 .70
Jake Faria Jul 8 @COL 5.0 22 2 2 5 4 2 0 86 55 31 .64
Taylor Widener Jul 9 LAD 4.1 18 1 1 3 5 2 1 63 42 21 .67
Caleb Smith Jul 10 LAD 1.0 12 L 9 9 6 1 3 3 53 30 23 .57
Merrill Kelly Jul 11 LAD 5.1 20 1 1 4 3 1 1 88 62 26 .70
Madison Bumgarner Jul 16 @CHC 6.0 22 L 1 2 2 6 1 1 79 54 25 .68
Zac Gallen Jul 17 @CHC 5.2 22 1 1 3 7 2 0 77 44 33 .57
Merrill Kelly Jul 18 @CHC 8.0 30 W 4 4 6 6 0 0 82 63 19 .77
Caleb Smith Jul 19 @PIT 6.2 28 W 2 2 6 7 2 0 93 65 28 .70
Taylor Widener Jul 20 @PIT 4.2 23 5 5 8 8 1 2 80 49 31 .61
Madison Bumgarner Jul 21 @PIT 5.0 22 1 3 7 1 0 0 79 56 23 .71
Zac Gallen Jul 23 CHC 4.0 21 L 7 7 6 5 3 2 84 53 31 .63
Merrill Kelly Jul 24 CHC 6.0 24 W 2 2 5 6 1 1 77 52 25 .68
Caleb Smith Jul 25 CHC 6.0 24 L 5 5 3 8 3 3 102 69 33 .68
Taylor Widener Jul 27 TEX 3.2 22 L 5 5 5 3 5 1 87 46 41 .53
Madison Bumgarner Jul 28 TEX 7.0 26 W 2 2 4 4 1 0 84 61 23 .73
Zac Gallen Jul 30 @LAD 6.0 25 2 2 5 8 1 1 100 64 36 .64
Merrill Kelly Jul 31 @LAD 6.1 29 L 3 4 8 6 2 0 88 62 26 .70
Caleb Smith Aug 1 @LAD 1.2 13 L 5 5 3 3 5 0 70 40 30 .57
Taylor Widener Aug 2 @SFG 4.1 21 5 5 5 7 3 1 98 66 32 .67
Madison Bumgarner Aug 3 @SFG 7.0 27 W 1 1 6 4 1 1 99 68 31 .69
Zac Gallen Aug 4 @SFG 5.2 24 L 3 3 4 6 3 1 109 64 45 .59
Merrill Kelly Aug 5 @SFG 8.0 29 0 0 3 4 2 0 102 66 36 .65
Caleb Smith Aug 6 SDP 1.1 13 5 5 3 2 6 1 61 26 35 .43
Taylor Widener Aug 7 SDP 5.0 21 2 2 4 7 2 2 89 60 29 .67
Madison Bumgarner Aug 8 SDP 7.0 26 L 2 2 6 5 1 1 80 57 23 .71
Zac Gallen Aug 10 SFG 6.0 26 5 5 7 7 1 1 101 67 34 .66
Merrill Kelly Aug 11 SFG 5.0 25 L 5 5 11 3 1 2 94 62 32 .66
Matt Peacock Aug 12 @SDP 1.1 6 2 2 3 2 0 0 29 19 10 .66
Madison Bumgarner Aug 13 @SDP 6.2 29 2 2 9 6 0 1 103 78 25 .76
Tyler Gilbert Aug 14 @SDP 9.0 28 W 0 0 0 5 3 0 102 64 38 .63
Zac Gallen Aug 15 @SDP 5.0 25 L 4 4 8 5 3 3 94 59 35 .63
Taylor Widener Aug 17 @PHI 5.0 20 1 1 2 5 3 1 68 41 27 .60
Humberto Castellanos Aug 18 @PHI 5.1 20 W 1 1 3 1 2 0 74 45 29 .61
Madison Bumgarner Aug 19 @PHI 8.0 30 W 1 1 3 5 1 0 105 70 35 .67
Tyler Gilbert Aug 20 COL 5.0 24 4 4 9 2 1 1 85 54 31 .64
Zac Gallen Aug 21 COL 7.0 24 0 0 3 9 1 0 96 66 30 .69
Taylor Widener Aug 22 COL 5.0 21 W 1 1 1 5 5 0 78 40 38 .51
Humberto Mejia Aug 23 PIT 5.0 23 2 2 6 7 2 0 99 65 34 .66
Madison Bumgarner Aug 24 PIT 6.0 26 L 4 4 6 5 3 2 92 61 31 .66
Tyler Gilbert Aug 25 PIT 5.0 22 2 2 3 4 3 0 80 53 27 .66
Zac Gallen Aug 26 PHI 5.0 21 W 0 2 3 6 2 1 103 64 39 .62
Taylor Widener Aug 27 PHI 5.0 23 2 2 5 4 3 1 91 49 42 .54
Humberto Mejia Aug 28 PHI 6.0 25 L 4 4 8 3 1 2 92 60 32 .65
Madison Bumgarner Aug 29 PHI 5.0 25 L 5 5 7 3 4 0 100 62 38 .62
Tyler Gilbert Aug 30 @SDP 5.0 24 L 3 5 8 4 1 1 91 67 24 .74
Zac Gallen Aug 31 @SDP 6.0 26 L 3 3 5 4 4 1 94 56 38 .60
Luke Weaver Sep 1 @SDP 6.0 21 W 1 1 4 3 0 1 79 51 28 .65
Madison Bumgarner Sep 3 @SEA 6.0 29 5 5 5 5 5 2 94 61 33 .65
Humberto Castellanos Sep 4 @SEA 3.2 18 5 5 7 4 1 1 68 46 22 .68
Tyler Gilbert Sep 5 @SEA 7.0 26 3 3 4 3 2 0 91 65 26 .71
Zac Gallen Sep 7 @TEX 6.2 28 L 3 3 6 8 0 0 108 75 33 .69
Luke Weaver Sep 8 @TEX 5.0 21 L 3 3 4 4 2 0 78 59 19 .76
Madison Bumgarner Sep 10 SEA 6.0 26 L 5 5 8 6 1 3 93 65 28 .70
Humberto Castellanos Sep 11 SEA 5.1 22 W 3 3 4 4 1 2 89 58 31 .65
Tyler Gilbert Sep 12 SEA 5.1 19 W 2 2 2 2 1 2 81 57 24 .70
Zac Gallen Sep 13 LAD 5.1 26 L 4 4 8 4 3 0 101 64 37 .63
Luke Weaver Sep 14 LAD 4.0 19 L 3 4 5 4 1 1 84 53 31 .63
Merrill Kelly Sep 15 LAD 4.2 24 L 4 4 10 1 2 1 82 51 31 .62
Madison Bumgarner Sep 17 HOU 7.0 23 2 2 1 3 1 1 82 56 26 .68
Humberto Castellanos Sep 18 HOU 5.0 23 3 3 8 3 1 1 77 52 25 .68
Zac Gallen Sep 19 HOU 6.0 24 4 4 5 7 1 1 103 63 40 .61
Humberto Mejia Sep 20 @ATL 4.0 22 L 6 6 8 4 2 0 94 60 34 .64
Luke Weaver Sep 21 @ATL 6.2 28 L 3 5 7 7 0 3 102 78 24 .76
Merrill Kelly Sep 22 @ATL 6.0 25 L 6 6 7 7 2 2 90 55 35 .61
Madison Bumgarner Sep 23 @ATL 5.0 21 3 3 5 5 2 1 90 59 31 .66
Humberto Castellanos Sep 24 @LAD 5.0 20 L 3 3 5 1 2 1 70 43 27 .61
Zac Gallen Sep 25 @LAD 6.0 23 W 1 1 3 8 2 1 99 61 38 .62
Humberto Mejia Sep 26 @LAD 2.2 14 L 3 3 4 1 3 3 60 33 27 .55
Luke Weaver Sep 28 SFG 4.0 19 1 1 3 6 4 0 93 60 33 .65
Merrill Kelly Sep 29 SFG 5.0 23 0 0 3 4 4 0 96 58 38 .60
Madison Bumgarner Sep 30 SFG 5.0 23 4 4 8 4 0 1 79 56 23 .71
Humberto Castellanos Oct 1 @COL 5.2 27 6 6 9 4 1 1 88 61 27 .69
Zac Gallen Oct 2 @COL 6.0 25 W 2 2 6 6 2 2 108 66 42 .61
Humberto Mejia Oct 3 @COL 4.2 21 3 4 6 5 1 0 76 51 25 .67
2021 Arizona Diamondbacks Pages

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