Joe Judge has the most career games by a Washington Senators first baseman, with 2,084 games.

Interpreted as:

career regular-season games leader first baseman twins

	NAME	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS	wRC	WRAA	wOBA	wRC+	BRAA
1	Joe Judge J. Judge	2,084	7,663	1,154	2,291	421	157	71	1,001	943	51	463	210		8,906	3,239	649	249				.299	.379	.423	.802	1310	250.3	.376	117	190.7
2	Mickey Vernon M. Vernon	1,805	6,930	956	1,993	391	108	121	1,026	735	32	657	125	27	7,769	2,963	620	58	14	9	144	.288	.358	.428	.785	1063	181.3	.363	115	139.4
3	Kent Hrbek K. Hrbek	1,747	6,192	903	1,749	312	18	293	1,086	838	26	798	37	26	7,137	2,976	623	15	66	110	165	.282	.367	.481	.848	1101	288.6	.371	126	222.1
4	Justin Morneau J. Morneau	1,238	4,643	655	1,294	285	16	217	844	492	37	809	5	7	5,235	2,262	518	0	63	83	117	.279	.348	.487	.835	754	131.3	.355	118	119.5
5	Joe Kuhel J. Kuhel	1,205	4,638	713	1,338	250	77	56	667	530	21	318	79		5,234	1,910	383	45			19	.288	.364	.412	.776	730	97.1	.361	108	49.6
6	Harmon Killebrew H. Killebrew	1,005	3,407	544	882	127	16	222	655	700	15	711	6	5	4,158	1,707	365	0	36	73	107	.259	.384	.501	.885	690	253	.391	146	214.5
7	Rich Reese R. Reese	804	1,916	238	498	72	17	50	241	150	20	251	16	15	2,112	754	139	10	16	21	34	.260	.318	.394	.711	237	17.5	.320	99	-1.3
8	Joe Mauer J. Mauer	680	2,552	330	709	146	10	38	289	323	8	470	9	3	2,900	989	194	2	15	42	71	.278	.359	.388	.746	358	23.7	.325	103	11.2
9	Doug Mientkiewicz D. Mientkiewicz	643	2,147	273	590	146	6	43	266	300	27	308	11	13	2,505	877	195	7	24	23	49	.275	.367	.408	.776	335	24.8	.342	104	12.4
10	Don Mincher D. Mincher	617	1,590	230	388	77	10	92	270	231	7	289	4	7	1,854	761	179	14	12	29	38	.244	.340	.479	.819	269	69.3	.357	123	49.5
11	Chick Gandil C. Gandil	546	2,004	221	587	89	48	8	292	136	21	153	91		2,251	796	145	90				.293	.344	.397	.741	292	47.7	.355	115	39.2
12	Julio Becquer J. Becquer	476	966	99	238	37	16	12	114	40	3	115	8	11	1,020	343	65	6	5	11	40	.246	.277	.355	.632	82	-33.9	.277	65	-42.8
13	Rod Carew R. Carew	463	1,785	310	627	93	38	28	260	214	5	169	99	42	2,032	880	159	11	17	48	36	.351	.419	.493	.912	353	129.8	.402	153	122.3
14	Jake Stahl J. Stahl	420	1,503	158	368	60	32	8	167	70	40	274	96		1,653	516	100	40				.245	.296	.343	.640	175	6.1	.310	103	4.9
15	Ron Coomer R. Coomer	399	1,345	166	365	69	4	49	207	92	6	154	7	2	1,454	589	122	0	11	4	60	.271	.318	.438	.756	175	-14.3	.328	87	-25.9
16	Ron Jackson R. Jackson	344	1,154	150	309	78	8	23	138	89	13	115	6	11	1,278	472	109	14	8	10	32	.268	.325	.409	.734	151	6.2	.327	97	-4.5
17	Scott Stahoviak S. Stahoviak	324	962	134	250	66	3	27	118	113	9	255	13	6	1,093	403	96	1	8	9	19	.260	.341	.419	.760	138	0.6	.334	93	-9.5
18	Vic Power V. Power	301	1,197	151	333	58	4	26	116	45	3	62	10	2	1,275	477	88	25	5	0	29	.278	.305	.398	.703	141	0.1	.313	90	-15.2
19	Pete Runnels P. Runnels	281	1,051	125	288	47	13	10	111	113	4	115	7	8	1,182	391	70	5	9	7	25	.274	.344	.372	.716	135	0.8	.323	92	-9.9
20	Bob Unglaub B. Unglaub	254	911	72	228	23	13	3	85	43	3	111	36		982	286	39	25				.250	.286	.314	.600	86	-12	.294	90	-9.7
21	Gene Larkin G. Larkin	251	783	99	202	43	2	12	88	82	13	100	12	4	893	285	57	5	10	12	20	.258	.334	.364	.698	98	0.8	.316	93	-6.7
22	Craig Kusick C. Kusick	225	596	77	130	20	3	18	77	100	8	106	3	2	710	210	41	1	5	4	16	.218	.336	.352	.688	79	1.5	.322	98	-1.9
23	Zeke Bonura Z. Bonura	216	851	113	241	43	6	25	159	84	4	42	4		941	371	74	2			6	.283	.350	.436	.786	132	15.3	.360	101	2
24	Miguel Sanó M. Sanó	208	716	100	148	36	0	44	103	86	4	298	3	1	808	316	80	0	2	3	16	.207	.295	.441	.736	98	-0.5	.314	100	0.4
25	Joe Harris J. Harris	192	557	103	176	34	18	17	113	88	10	37	8		670	297	69	15				.316	.418	.533	.952	130	45.1	.432	144	40.5