JoJo Romero ERA in 2023

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3.682023 Regular Season

JoJo Romero posted a 3.68 ERA in the 2023 regular season.

• 4th-best of JoJo Romero's 7 seasons on file; the best is 2.07 in 2025.
• Down 1.28 from 4.96 in 2022.

Figures come from ESPN's box scores and were last read on September 21, 2026.

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JoJo Romero ERA in 2023, season by season

Season↓	Team↓	GP↓iGP: Games the player appeared in, however briefly.	W↓iW: Games in which this pitcher was credited with the win.	L↓iL: Games in which this pitcher was charged with the loss.	ERA↓iERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.	IP↓iIP: Innings pitched. The decimal counts outs, so 6.2 is six innings and two more outs.	K↓iK: Batters this pitcher struck out.	BB↓iBB: Times the batter reached first base on four balls.	WHIP↓iWHIP: Walks and hits allowed per inning pitched — lower is better. Around 1.00 is elite.	SV↓iSV: Games finished by protecting a narrow lead to the last out.
2020	PHI	12	0	0	7.59	10.2	10	2	1.41	0
2021	PHI	11	0	0	7.00	9.0	8	4	1.78	0
2022	PHI/STL	17	0	0	4.96	16.1	17	10	1.41	0
2023	STL	27	4	2	3.68	36.2	42	10	1.06	3
2024	STL	65	7	3	3.36	59.0	51	16	1.15	1
2025	STL	65	4	6	2.07	61.0	55	29	1.25	8
2026	STL/MIL	53	2	3	3.54	53.1	50	18	1.28	0

What the columns mean: W · L · ERA · IP · K · BB · WHIP · SV