The 2021 roster for the Rockies included Germán Márquez at pitcher, Elias Díaz at catcher, C.J. Cron at first baseman, Brendan Rodgers at second baseman and Ryan McMahon at third baseman.

	NO.	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	18	Matt Adams M. Adams	1B	6'3"	245	8/31/1988	32	Philipsburg, PA
2	62	Yency Almonte Y. Almonte	P	6'5"	217	6/4/1994	27	Miami, FL
3	56	Yoan Aybar Y. Aybar	P	6'3"	165	7/3/1997	23	Bani, Dominican Republic
4	52	Daniel Bard D. Bard	P	6'4"	215	6/25/1985	36	Houston, TX
5	19	Charlie Blackmon C. Blackmon	RF	6'3"	220	7/1/1986	35	Dallas, TX
6	51	Ben Bowden B. Bowden	P	6'4"	235	10/21/1994	26	Lynn, MA
7	38	Ryan Castellani R. Castellani	P	6'4"	223	4/1/1996	25	Phoenix, AZ
8	43	Jhoulys Chacin J. Chacin	P	6'3"	215	1/7/1988	33	Maracaibo, Venezuela
9	25	C.J. Cron	1B	6'4"	235	1/5/1990	31	Fullerton, CA
10	2	Yonathan Daza Y. Daza	CF	6'2"	210	2/28/1994	27	Maracay, Venezuela
11	35	Elias Díaz E. Díaz	C	6'1"	220	11/17/1990	30	Maracaibo, Venezuela
12	54	Carlos Estévez C. Estévez	P	6'6"	275	12/28/1992	28	Santo Domingo, Dominican Republic
13	18	Ryan Feltner R. Feltner	P	6'4"	190	9/2/1996	24	Orlando, FL
14	30	Julian Fernandez J. Fernandez	P	6'6"	205	12/5/1995	25	Boca Chica, Dominican Republic
15	21	Kyle Freeland K. Freeland	P	6'4"	201	5/14/1993	28	Denver, CO
16	8	Josh Fuentes J. Fuentes	3B	6'2"	209	2/19/1993	28	Rancho Santo Margarita, CA
17	58	Lucas Gilbreath L. Gilbreath	P	6'1"	185	3/5/1996	25	Westminster, CO
18	60	Mychal Givens M. Givens	P	6'0"	210	5/13/1990	31	Tampa Bay, FL
19	26	Austin Gomber A. Gomber	P	6'5"	230	11/23/1993	27	Winter Garden, FL
20	50	Chi Chi González C. Chi González	P	6'3"	215	1/15/1992	29	Delray Beach, FL
21	60	Ashton Goudeau A. Goudeau	P	6'6"	205	7/23/1992	28	Newport, AR
22	55	Jon Gray J. Gray	P	6'4"	227	11/5/1991	29	Shawnee, OK
23	1	Garrett Hampson G. Hampson	CF	5'11"	188	10/10/1994	26	Reno, NV
24	22	Sam Hilliard S. Hilliard	CF	6'5"	238	2/21/1994	27	Mansfield, TX
25	9	Connor Joe C. Joe	LF	6'0"	205	8/16/1992	28	San Diego, CA