Here is scenario in which SSG wins 115 additional games (129 total) but does not finish in first place.

Here are the final standings in the scenario:
            Team	W	L	D	PCT	GB
             KIA	130	14	0	0.9028	0.0
             SSG	129	15	0	0.8958	1.0
          Hanwha	90	50	4	0.6429	38.0
          Doosan	74	66	4	0.5286	54.0
              KT	75	69	0	0.5208	55.0
          Kiwoom	66	74	4	0.4714	62.0
              LG	61	79	4	0.4357	67.0
           Lotte	45	99	0	0.3125	85.0
              NC	27	113	4	0.1929	101.0
         Samsung	11	129	4	0.0786	117.0

To construct the scenario, we start with the current standings:
            Team	W	L	D	GL	PCT	GB
             KIA	16	6	0	122	0.727	0.0
              NC	14	8	0	122	0.636	2.0
             SSG	14	10	0	120	0.583	3.0
          Kiwoom	12	9	0	123	0.571	3.5
              LG	12	11	1	120	0.522	4.5
          Hanwha	11	11	0	122	0.500	5.0
         Samsung	11	11	1	121	0.500	5.0
          Doosan	10	14	0	120	0.417	7.0
              KT	7	17	0	120	0.292	10.0
           Lotte	6	16	0	122	0.273	10.0

The next two tables show, respectively, how many of their remaining games each team wins and ties against each of the other teams in the scenario:

					Scenario Additional Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	13	0	15	0	0	13	10	13	0	64
Hanwha	0	-	0	9	13	14	14	14	15	0	79
KIA	13	13	-	15	13	13	14	15	13	5	114
Kiwoom	0	0	0	-	13	13	0	14	14	0	54
KT	13	0	0	0	-	13	15	13	14	0	68
LG	13	0	0	0	0	-	13	13	10	0	49
Lotte	0	0	0	13	0	0	-	13	13	0	39
NC	0	0	0	0	0	0	0	-	13	0	13
Samsung	0	0	0	0	0	0	0	0	-	0	0
SSG	13	13	8	13	13	15	14	13	13	-	115
-----------------------------------------------------------------------------------
Losses	52	39	8	65	52	68	83	105	118	5

					Scenario Additional Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	0	0	0	4	0	0	4
Hanwha	0	-	0	4	0	0	0	0	0	0	4
KIA	0	0	-	0	0	0	0	0	0	0	0
Kiwoom	0	4	0	-	0	0	0	0	0	0	4
KT	0	0	0	0	-	0	0	0	0	0	0
LG	0	0	0	0	0	-	0	0	4	0	3
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	4	0	0	0	0	0	0	-	0	0	4
Samsung	0	0	0	0	0	4	0	0	-	0	3
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	4	4	0	4	0	3	0	4	3	0

The next two tables show, respectively, how many total games each team wins and ties against each of the other teams in the scenario:

					Scenario Total Wins Against
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Wins
Doosan	-	15	1	16	2	2	14	11	13	0	74
Hanwha	1	-	0	9	16	15	15	15	16	3	90
KIA	15	16	-	16	15	16	16	16	14	6	130
Kiwoom	0	3	0	-	14	15	3	14	16	1	66
KT	14	0	1	2	-	14	15	14	14	1	75
LG	14	1	0	1	2	-	15	15	12	1	61
Lotte	2	1	0	13	1	1	-	14	13	0	45
NC	1	1	0	2	2	1	2	-	15	3	27
Samsung	3	0	2	0	2	0	3	1	-	0	11
SSG	16	13	10	15	15	15	16	13	16	-	129
-----------------------------------------------------------------------------------
Losses	66	50	14	74	69	79	99	113	129	15

					Scenario Total Draws (Ties) With
Team	Doosan	Hanwha	KIA	Kiwoom	KT	LG	Lotte	NC	Samsung	SSG	Total
Doosan	-	0	0	0	0	0	0	4	0	0	4
Hanwha	0	-	0	4	0	0	0	0	0	0	4
KIA	0	0	-	0	0	0	0	0	0	0	0
Kiwoom	0	4	0	-	0	0	0	0	0	0	4
KT	0	0	0	0	-	0	0	0	0	0	0
LG	0	0	0	0	0	-	0	0	4	0	4
Lotte	0	0	0	0	0	0	-	0	0	0	0
NC	4	0	0	0	0	0	0	-	0	0	4
Samsung	0	0	0	0	0	4	0	0	-	0	4
SSG	0	0	0	0	0	0	0	0	0	-	0
-----------------------------------------------------------------------------------
Total	4	4	0	4	0	4	0	4	4	0