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Left on Base (LOB%) Leaders: 2015 MLB Season

Left on Base (LOB%) is a pitching statistic that measures the percentage of baserunners a pitcher leaves stranded. 

LOB% = (H+BB+HBP-R)/(H+BB+HBP-(1.4*HR))

*Qualifying pitchers

More about Left on Base (LOB%) Leaders

Pitching left on base percentage leaders are those who “strand” (or leave on base) the highest percentage of all baserunners allowed. The formula is: “LOB% = (H+BB+HBP-R)/(H+BB+HBP-(1.4*HR))”. The league leaders will have a left on base percentage of approximately 80% or a little higher. There is some luck involved in having a high left on base percentage, as many of a league’s leaders one year will not appear near the top of the list the next year. This is because even over the course of an entire season some pitchers will find themselves “getting out of jams” more frequently than the average pitcher. However, luck does not impact all pitchers the same when it comes to this statistic. Strikeout pitchers are more likely to have a higher left on base percentage. This is because by being more likely to strike out a batter, the pitcher is also more likely to strand a runner than a pitcher who is more likely to allow a ball to be put into play, which can safely fall for a hit and allow existing baserunners to score.

Left on Base (LOB%) Leaders
RankPlayerTeamLeft On BaseLeft on Base %
1Zack GreinkeARI15086.51%
2John LackeyCHC19782.56%
3Wei-Yin ChenBAL16080.48%
4Jake ArrietaCHC15280.00%
5Hector SantiagoLAA15779.94%
6James ShieldsSD18679.90%
7Dan HarenCHC14179.84%
8Max ScherzerWAS14179.57%
9Dallas KeuchelHOU17079.37%
10Marco EstradaTOR12779.18%
11Lance LynnSTL17978.92%
12Carlos MartinezSTL17478.80%
13Matt HarveyNYM13678.70%
14David PriceBOS17078.63%
15Clayton KershawLAD14878.31%
16Jacob deGromNYM13078.03%
17Madison BumgarnerSF15477.94%
18A.J. BurnettPIT17077.77%
19Felix HernandezSEA16777.75%
20Yovani GallardoTEX18677.18%
21Jake OdorizziTB13376.97%
22Sonny GrayOAK15676.77%
23Jose QuintanaCWS18976.33%
24Michael WachaSTL15276.23%
25Scott KazmirHOU15375.74%
26J.A. HappTOR14975.40%
27Cole HamelsTEX17475.26%
28Mike FiersHOU14975.10%
29Gerrit ColePIT16674.91%
30Mike LeakeSF14674.80%
31Danny SalazarCLE13774.54%
32Jordan ZimmermannDET16274.52%
33Collin McHughHOU18074.26%
34CC SabathiaNYY15274.22%
35Francisco LirianoPIT15574.16%
36Tyson RossSD18673.99%
37Shelby MillerATL18073.83%
38Ubaldo JimenezBAL17273.82%
39Brett AndersonLAD16073.80%
40Julio TeheranATL17273.76%
41Johnny CuetoKC16173.65%
42Chris HestonSF16473.35%
43R.A. DickeyTOR17073.28%
44Chris SaleCWS15273.15%
45Chris ArcherTB15973.14%
46Edinson VolquezKC18173.10%
47Kyle GibsonMIN17073.02%
48Rubby De La RosaARI15772.96%
49Alex WoodLAD17572.92%
50Jason HammelCHC12572.76%
51Yordano VenturaKC14672.49%
52Gio GonzalezWAS17572.08%
53Tom KoehlerMIA16771.92%
54Bartolo ColonNYM15171.90%
55Carlos CarrascoCLE12771.83%
56Garrett RichardsLAA16871.79%
57Jon LesterCHC15471.76%
58Trevor BauerCLE14671.64%
59Ian KennedySD13071.59%
60Jonathon NiesePIT16371.49%
61Corey KluberCLE15371.43%
62Mike PelfreyDET16970.53%
63Erasmo RamirezTB12170.51%
64Jimmy NelsonMIL15270.44%
65Anthony DeSclafaniCIN16169.94%
66Kyle HendricksCHC13569.88%
67Wade MileySEA17169.74%
68Aaron HarangPHI14669.66%
69Mark BuehrleTOR15469.00%
70Chris TillmanBAL14868.20%
71John DanksCWS15068.06%
72Taijuan WalkerSEA12067.80%
73Alfredo SimonDET16567.79%
74Rick PorcelloBOS14167.46%
75Jeff SamardzijaSF16767.23%
76Jeff LockePIT15167.11%
77Colby LewisTEX15065.91%
78Andrew CashnerSD16165.61%
Left on Base (LOB%) Leaders By Season:
2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 |

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