what is the highest game score by a pitcher in a playoff road game

Roger Clemens has the highest Game Score on the road in a postseason game, with a Game Score of 98 in Game 4 of the 2000 ALCS versus the Mariners.

	NAME	GSC	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Roger Clemens R. Clemens	98	10/14/2000	NYY	@	SEA	W	1	0.00	15	1	1	0	9.0	1	0	0	0	2	0	0	0	30	0
2	Ed Walsh E. Walsh	94	10/11/1906	CWS	@	CHC	W	1	0.00	12	1	1	0	9.0	2	0	0	0	1	0	0	0	30	1
3	Kevin Brown K. Brown	92	9/29/1998	SDP	@	HOU	W	1	0.00	16	0	0	0	8.0	2	0	0	0	2	1	0	0	28	0
4	Cliff Lee C. Lee	90	10/18/2010	TEX	@	NYY	W	1	0.00	13	0	0	0	8.0	2	0	0	0	1	0	0	0	27	0
5	Nolan Ryan N. Ryan	90	10/14/1986	HOU	@	NYM		1	1.00	12	0	0	0	9.0	2	1	1	1	1	0	0	0	30	0
6	Vida Blue V. Blue	90	10/8/1974	OAK	@	BAL	W	1	0.00	7	1	1	0	9.0	2	0	0	0	0	0	0	0	30	0
7	Justin Verlander J. Verlander	89	10/11/2012	DET	@	OAK	W	1	0.00	11	1	1	0	9.0	4	0	0	0	1	0	0	0	31	0
8	Kevin Brown K. Brown	89	10/8/1998	SDP	@	ATL	W	1	0.00	11	1	1	0	9.0	3	0	0	0	3	0	0	0	32	1
9	Jon Matlack J. Matlack	89	10/7/1973	NYM	@	CIN	W	1	0.00	9	1	1	0	9.0	2	0	0	0	3	0	0	0	31	0
10	Hod Eller H. Eller	89	10/6/1919	CIN	@	CWS	W	1	0.00	9	1	1	0	9.0	3	0	0	0	1	0	0	0	31	0
11	Jake Arrieta J. Arrieta	88	10/7/2015	CHC	@	PIT	W	1	0.00	11	1	1	0	9.0	5	0	0	0	0	2	0	0	32	0
12	Madison Bumgarner M. Bumgarner	88	10/1/2014	SFG	@	PIT	W	1	0.00	10	1	1	0	9.0	4	0	0	0	1	0	0	0	33	0
13	Sandy Koufax S. Koufax	88	10/14/1965	LAD	@	MIN	W	1	0.00	10	1	1	0	9.0	3	0	0	0	3	0	0	0	33	0
14	Warren Spahn W. Spahn	88	10/5/1958	MIL	@	NYY	W	1	0.00	7	1	1	0	9.0	2	0	0	0	2	0	0	0	31	0
15	Bill James B. James	88	10/10/1914	BSN	@	PHA	W	1	0.00	8	1	1	0	9.0	2	0	0	0	3	0	0	0	28	0
16	Jack Coombs J. Coombs	88	10/17/1911	PHA	@	NYG	W	1	0.82	7	1	0	0	11.0	3	1	2	0	4	0	0	0	36	0
17	Trevor Bauer T. Bauer	87	9/30/2020	CIN	@	ATL		1	0.00	12	0	0	0	7.2	2	0	0	0	0	1	0	0	27	0
18	Justin Verlander J. Verlander	87	10/10/2013	DET	@	OAK	W	1	0.00	10	0	0	0	8.0	2	0	0	0	1	0	0	0	27	0
19	John Smoltz J. Smoltz	87	10/3/1997	ATL	@	HOU	W	1	1.00	11	1	0	0	9.0	3	1	1	1	1	0	0	0	32	0
20	Bob Gibson B. Gibson	87	10/12/1964	STL	@	NYY	W	1	0.00	13	1	0	0	10.0	6	0	2	1	2	1	0	1	39	0
21	Vic Raschi V. Raschi	87	10/4/1950	NYY	@	PHN	W	1	0.00	5	1	1	0	9.0	2	0	0	0	1	0	0	0	30	0
22	Orval Overall O. Overall	87	10/14/1908	CHC	@	DET	W	1	0.00	10	1	1	0	9.0	3	0	0	0	4	0	0	0	34	1
23	Cole Hamels C. Hamels	86	10/10/2010	PHI	@	CIN	W	1	0.00	9	1	1	0	9.0	5	0	0	0	0	0	0	0	31	0
24	Mordecai Brown M. Brown	86	10/12/1906	CHC	@	CWS	W	1	0.00	5	1	1	0	9.0	2	0	0	0	2	0	0	0	30	0
25	Christy Mathewson C. Mathewson	86	10/12/1905	NYG	@	PHA	W	1	0.00	8	1	1	0	9.0	4	0	0	0	1	1	0	0	32	0