The 2013 roster for the Mariners included Hisashi Iwakuma at pitcher, Mike Zunino at catcher, Justin Smoak at first baseman, Nick Franklin at second baseman and Kyle Seager at third baseman.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Dustin Ackley D. Ackley	OF	6'1"	205	2/26/1988	25	Winston-Salem, NC
2	Abraham Almonte A. Almonte	OF	5'9"	210	6/27/1989	24	Santo Domingo, Dominican Republic
3	Robert Andino R. Andino	SS	5'11"	185	4/25/1984	29	Miami, FL
4	Brandon Bantz B. Bantz	C	6'1"	205	1/7/1987	26	Arlington, TX
5	Jason Bay J. Bay	OF	6'2"	210	9/20/1978	34	Trail, Canada
6	Blake Beavan B. Beavan	P	6'7"	245	1/17/1989	24	Irving, TX
7	Henry Blanco H. Blanco	C	5'11"	220	8/29/1971	41	Caracas, Venezuela
8	Jeremy Bonderman J. Bonderman	P	6'0"	220	10/28/1982	30	Kennewick, WA
9	Carter Capps C. Capps	P	6'5"	220	8/7/1990	22	Kinston, NC
10	Endy Chavez E. Chavez	OF	5'11"	170	2/7/1978	35	Valencia, Venezuela
11	Danny Farquhar D. Farquhar	P	5'9"	185	2/17/1987	26	Pembroke Pines, FL
12	Nick Franklin N. Franklin	2B	6'1"	190	3/2/1991	22	Sanford, FL
13	Charlie Furbush C. Furbush	P	6'5"	215	4/11/1986	27	South Portland, ME
14	Franklin Gutierrez F. Gutierrez	OF	6'2"	200	2/21/1983	30	Caracas, Venezuela
15	Aaron Harang A. Harang	P	6'7"	260	5/9/1978	35	San Diego, CA
16	Felix Hernandez F. Hernandez	P	6'3"	225	4/8/1986	27	Valencia, Venezuela
17	Raul Ibanez R. Ibanez	OF	6'2"	225	6/2/1972	41	New York, NY
18	Hisashi Iwakuma H. Iwakuma	P	6'3"	210	4/12/1981	32	Tokyo, Japan
19	Bobby LaFromboise B. LaFromboise	P	6'4"	225	6/25/1986	27	Downey, CA
20	Alex Liddi A. Liddi	1B	6'4"	225	8/14/1988	24	San Remo, Italy
21	Kameron Loe K. Loe	P	6'8"	245	9/10/1981	31	Simi Valley, CA
22	Lucas Luetge L. Luetge	P	6'4"	205	3/24/1987	26	Brenham, TX
23	Brandon Maurer B. Maurer	P	6'5"	230	7/3/1990	22	Newport Beach, CA
24	Yoervis Medina Y. Medina	P	6'3"	245	7/27/1988	24	Puerto Cabello, Venezuela
25	Brad Miller B. Miller	SS	6'2"	200	10/18/1989	23	Orlando, FL