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Bobby Doerr League
6-26-2028
Ron Marrow Relief Pitcher
Retired (2026, Age 37)
CAREER BIOGRAPHICAL DATA
ERA 4.78 Total Rating B    Bats/Throws R/R
W-L 31-27 Status Retired (2026) Option Years 0  
SV 7 Age 39 (OS 39) Date of Birth 06-05-1989
K 370 Drafted Round 1, Pick 15
(2012)		 Majors Svc Time 4 years
(70 games)
IP 562.2
WHIP 1.47
OFFENSE PITCHING MENTORING
Contact vs. R D- Contact vs. L D- Endurance D    Ldrship C+
Power vs. R D- Power vs. L D- Velocity C+   Mentor Val B 
Speed C+ Bunt D- Control A-
POSITIONS DEFENSE/HEALTH POSTSEASON
 C * --- SS --- Range F  WS Rings 0
1B --- LF --- Arm C- WS Appearances 0
2B --- CF ---   Health C  LCS Appearances 0
3B --- RF ---   Injured Days 0 All Star Teams 0
* League requires 50% rating to start at catcher.

Year   Team W L G GS CG SHO SV BS IP H R ER HBP BB SO WHIP ERA Awards
2021 KC
6
 2
44
0
0
0
3
 1
62.2
 85 35 26 0 18
44
1.64
3.73
2022 KC
4
 5
92
0
0
0
2
 2
121.1
 120 65 61 2 44
82
1.35
4.52
2023 KC
9
 6
101
0
0
0
1
 3
132.1
 156 81 78 0 48
92
1.54
5.30
2024 KC
5
 6
86
0
0
0
1
 4
121.2
 133 67 62 1 32
76
1.36
4.59
2025 KC
7
 8
93
0
0
0
0
 3
124.2
 144 74 72 2 47
76
1.53
5.20
2028
0
 0
0
0
0
0
0
 0
0.0
 0 0 0 0 0
0
0.00
0.00
Total
31
 27
416
0
0
0
7
 13
562.2
 638 322 299 5 189
370
1.47
4.78
Career Transactions
DateTransaction
2026-11-01Ron Marrow has retired from the Kansas City Royals
2026-04-01The Kansas City Royals have promoted Red Moeller to the major league team. The Kansas City Royals have designated Ron Marrow for assignment.
2024-06-29Ron Marrow of the Kansas City Royals is injured and is expected to be out 8 days.
2021-07-15The Kansas City Royals have promoted Ron Marrow to the major league team.
2020-05-22The Kansas City Royals have acquired Ron Marrow from the waiver wire.
2020-05-06The St. Louis Sinners have waived Ron Marrow.
2010-05-31Trade #1916795 has been completed between the San Francisco Giants and the St. Louis Sinners. The St. Louis Sinners receive Brian Bell, Draft Pick 2013 Round 1 SF (Bryan Drews), Draft Pick 2012 Round 1 SF (Ron Marrow), Draft Pick 2011 Round 1 SF (Al Kekich) from the San Francisco Giants in exchange for Doug Goss.