The 2019 roster for the Reds included Luis Castillo at pitcher, Tucker Barnhart at catcher, Joey Votto at first baseman, Jose Peraza at second baseman and Eugenio Suárez at third baseman.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	32	R.J. Alaniz	P	6'4"	219	6/14/1991	28	McAllen, TX
2	44	Aristides Aquino A. Aquino	RF	6'4"	220	4/22/1994	25	Santo Domingo, Dominican Republic
3	16	Tucker Barnhart T. Barnhart	C	5'11"	192	1/7/1991	28	Indianapolis, IN
4	27	Trevor Bauer T. Bauer	P	6'1"	205	1/17/1991	28	North Hollywood, CA
5	2	Alex Blandino A. Blandino	SS	6'0"	190	11/6/1992	26	Palo Alto, CA
6	67	Matt Bowman M. Bowman	P	6'0"	185	5/31/1991	28	Chevy Chase, MD
7	12	Curt Casali C. Casali	C	6'2"	225	11/9/1988	30	Walnut Creek, CA
8	58	Luis Castillo L. Castillo	P	6'2"	190	12/12/1992	26	Bani, Dominican Republic
9	29	Christian Colon C. Colon	2B	5'10"	195	5/14/1989	30	Cayey, Puerto Rico
10	28	Anthony DeSclafani A. DeSclafani	P	6'1"	195	4/18/1990	29	Freehold, NJ
11	22	Derek Dietrich D. Dietrich	2B	6'0"	205	7/18/1989	29	Cleveland, OH
12	32	Zach Duke Z. Duke	P	6'2"	210	4/19/1983	36	Clifton, TX
13	6	Phillip Ervin P. Ervin	RF	5'10"	207	7/15/1992	26	Mobile, AL
14	52	Kyle Farmer K. Farmer	C	6'0"	205	8/17/1990	28	Atlanta, GA
15	3	Freddy Galvis F. Galvis	2B	5'10"	185	11/14/1989	29	Punto Fijo, Venezuela
16	50	Amir Garrett A. Garrett	P	6'5"	228	5/3/1992	27	Victorville, CA
17	46	Kevin Gausman K. Gausman	P	6'3"	190	1/6/1991	28	Centennial, CO
18	3	Scooter Gennett S. Gennett	2B	5'10"	185	5/1/1990	29	Cincinnati, OH
19	68	Juan Graterol J. Graterol	C	6'1"	205	2/14/1989	30	Maracay, Venezuela
20	54	Sonny Gray S. Gray	P	5'10"	192	11/7/1989	29	Nashville, TN
21	49	Jimmy Herget J. Herget	P	6'3"	170	9/9/1993	25	Tampa, FL
22	37	David Hernandez D. Hernandez	P	6'3"	245	5/13/1985	34	Sacramento, CA
23	48	Jared Hughes J. Hughes	P	6'7"	240	7/4/1985	33	Stamford, CT
24	4	Jose Iglesias J. Iglesias	SS	5'11"	185	1/5/1990	29	Havana, Cuba
25	26	Raisel Iglesias R. Iglesias	P	6'2"	188	1/4/1990	29	Isla de la Juventud, Cuba