本季MLB投手先發場均投球局數只有5.4局，
這幾年下滑趨勢非常明顯，2014年還有6.0局。
先發投手例行賽 場均投球局數統計如下: (資料來源:BR網站)
2018 平均局數 年度 聯盟平均
1 CLE 6.1 2018 5.4
2 HOU 5.9 2017 5.5
3 ARI 5.7 2016 5.6
4 COL 5.7 2015 5.8
5 WSN 5.7 2014 6.0
6 ATL 5.6 2013 5.9
7 NYM 5.6 2012 5.9
8 CHW 5.5 2011 6.0
9 KCR 5.5 2010 6.0
10 LAD 5.5 2009 5.8
11 PIT 5.5 2008 5.8
12 SEA 5.5 2007 5.8
13 SFG 5.5 2006 5.8
14 STL 5.5 2005 6.0
15 BOS 5.4 2004 5.9
16 CHC 5.4 2003 5.9
17 PHI 5.4 2002 5.9
18 NYY 5.3 2001 5.9
19 BAL 5.2 2000 5.9
20 CIN 5.2 1999 5.9
21 DET 5.2 1998 6.1
22 MIA 5.2 1997 6.0
23 MIL 5.2 1996 6.0
24 TEX 5.2 1995 5.9
25 TOR 5.2 1994 6.1
26 MIN 5.1 1993 6.1
27 OAK 5.1 1992 6.2
28 SDP 5.1 1991 6.1
29 LAA 5.0 1990 6.1
30 TBR 3.9 1989 6.2
2018投手先發場次達20+場以上，先發場次的平均投球局數:
(球隊顯示TOT 表示本球季待過兩隊以上)
IP/GS Rk Tm GS IP
6.8 1 NYM deGrom 32 217.0
6.7 2 WSN Scherzer 33 220.7
6.5 3 CLE Kluber 33 215.0
6.4 4 PHI Nola 33 212.3
6.3 5 CLE Bauer 27 175.3
6.3 6 CLE Clevinger 32 200.0
6.3 7 HOU Cole 32 200.3
6.3 8 ARI Greinke 33 207.7
6.3 9 STL Mikolas 32 200.7
6.3 10 HOU Verlander 34 214.0
6.3 11 NYM Wheeler 29 182.3
6.2 12 SFG Bumgarner 21 129.7
6.2 13 CLE Carrasco 30 192.0
6.2 14 LAD Kershaw 26 161.3
6.2 15 CHW Shields 33 204.7
6.2 16 NYM Syndergaard 25 154.3
6.1 17 ARI Corbin 33 200.0
6.1 18 COL Freeland 33 202.3
6.1 19 MIN Gibson 32 196.7
6.0 20 MIN Berrios 32 192.3
6.0 21 TOT Hamels 32 190.7
6.0 22 LAA Heaney 30 180.0
6.0 23 CHC Hendricks 33 199.0
6.0 24 HOU Keuchel 34 204.7
6.0 25 SEA Leake 31 185.7
6.0 26 OAK Manaea 27 160.7
6.0 27 WSN Roark 30 180.3
6.0 28 CHW Rodon 20 120.7
6.0 29 NYY Severino 32 191.3
6.0 30 PIT Taillon 32 191.0
5.9 31 LAD Buehler 23 137.3
5.9 32 ATL Foltynewicz 31 183.0
5.9 33 TOT Gausman 31 183.7
5.9 34 KCR Junis 30 177.0
5.9 35 KCR Keller 20 140.3
5.9 36 CHW Lopez 32 188.7
5.9 37 COL Marquez 33 196.0
5.9 38 BOS Price 30 176.0
5.9 39 SDP Richard 27 158.7
5.9 40 BOS Sale 27 158.0
5.9 41 WSN Strasburg 22 130.0
5.8 42 TEX Colon 24 146.3
5.8 43 BOS Porcello 33 191.3
5.8 44 TBR Snell 31 180.7
5.8 45 NYY Tanaka 27 156.0
5.7 46 SEA Gonzales 29 166.7
5.7 47 TOT Happ 31 177.7
5.7 48 LAD Hill 24 132.7
5.7 49 CHC Lester 32 181.7
5.7 50 HOU McCullers 22 128.3
5.7 51 SEA Paxton 28 160.3
5.7 52 ATL Teheran 31 175.7
5.6 53 PHI Arrieta 31 172.7
5.6 54 BAL Cobb 28 152.3
5.6 55 TOT Fiers 30 172.0
5.6 56 COL Gray 31 172.3
5.6 57 TEX Minor 28 157.0
5.6 58 HOU Morton 30 167.0
5.6 59 PIT Nova 29 161.0
5.6 60 TOT Ross 23 149.7
5.6 61 ATL Sanchez 24 136.7
5.6 62 MIA Urena 31 174.0
5.5 63 COL Anderson 32 176.0
5.5 64 TOT Archer 27 148.3
5.5 65 COL Bettis 20 120.3
5.5 66 DET Boyd 31 170.3
5.5 67 BAL Bundy 31 171.7
5.5 68 BAL Cashner 28 153.0
5.5 69 CIN Castillo 31 169.7
5.5 70 MIL Chacin 35 192.7
5.5 71 CIN DeSclafani 21 115.0
5.5 72 KCR Duffy 28 155.0
5.5 73 DET Fulmer 24 132.3
5.5 74 ARI Godley 32 178.3
5.5 75 SEA LeBlanc 27 162.0
5.5 76 SFG Suarez 29 160.3
5.5 77 PIT Williams 31 170.7
5.5 78 LAD Wood 27 151.7
5.4 79 STL Flaherty 28 151.0
5.4 80 CHW Giolito 32 173.3
5.4 81 SEA Hernandez 28 155.7
5.4 82 SFG Holland 30 171.3
5.4 83 KCR Kennedy 22 119.7
5.4 84 LAD Maeda 20 125.3
5.4 85 ATL Newcomb 30 164.0
5.4 86 CHC Quintana 32 174.3
5.4 87 BOS Rodriguez 23 129.7
5.4 88 SFG Stratton 26 145.0
5.3 89 MIL Anderson 30 158.0
5.3 90 CIN Bailey 20 106.3
5.3 91 OAK Cahill 20 110.0
5.3 92 PHI Eflin 24 128.0
5.3 93 TOT Gonzalez 32 171.0
5.3 94 TOT Harvey 28 155.0
5.3 95 CIN Romano 25 145.7
5.3 96 NYY Sabathia 29 153.0
5.3 97 TOR Sanchez 20 105.0
5.3 98 MIA Straily 23 122.3
5.3 99 DET Zimmermann 25 131.3
5.2 100 CHW Covey 21 121.7
5.2 101 MIL Guerra 26 141.0
5.2 102 ARI Ray 24 123.7
5.2 103 LAA Skaggs 24 125.3
5.2 104 STL Weaver 25 136.3
5.1 105 MIA Chen 26 133.3
5.1 106 TOT Eovaldi 21 111.0
5.1 107 TOR Estrada 28 143.7
5.1 108 DET Liriano 26 133.7
5.1 109 TOT Lynn 29 156.7
5.1 110 NYM Matz 30 154.0
5.1 111 MIN Odorizzi 32 164.3
5.1 112 PHI Pivetta 32 164.0
5.1 113 MIA Richards 25 126.3
5.1 114 LAD Stripling 21 122.0
5.0 115 LAA Barria 26 129.3
5.0 116 TOR Gaviglio 24 123.7
5.0 117 SDP Lucchesi 26 130.0
4.9 118 NYY Gray 23 130.3
4.9 119 SDP Lauer 23 112.0
4.9 120 CIN Mahle 23 112.0
4.9 121 PHI Velasquez 30 146.7
4.8 122 CHC Chatwood 20 103.7
4.6 123 NYM Vargas 20 92.0
1.4 124 TBR Stanek 29 66.3