What years did Robert Stephenson play?

Robert Stephenson played in Major League Baseball from 2016 to 2025.

Was Robert Stephenson a pitcher?

Yes. Robert Stephenson pitched in the major leagues, recording 19 wins and 416 strikeouts.

How many home runs did Robert Stephenson hit?

Robert Stephenson hit 0 career home runs with 1 hits.

What was Robert Stephenson's career batting average?

Robert Stephenson batted .028 over his career, with 1 hits in 36 at bats.

What was Robert Stephenson's career ERA?

Robert Stephenson finished with a 4.59 career ERA, going 19-20 with 416 strikeouts.

How many strikeouts did Robert Stephenson have?

Robert Stephenson recorded 416 career strikeouts.

Robert Stephenson

Pitcher · Career Stats, Bio & Records (2016-2025)

Robert Stephenson is a pitcher who has played in Major League Baseball since 2016 for 5 teams, including the Cincinnati Reds, a span of 10 seasons. Across 283 career appearances, he has gone 19-20 with a 4.59 ERA and 416 strikeouts.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated October 12, 2026

Active Player

W–L 19–20

ERA 4.59

WHIP 1.33

SO 416

Pitcher PIV thru 2025 -2571.7

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 205 lb
Born: 2/24/1993 in Martinez, CA, USA
MLB Debut: 2016-04-07

Full name: Robert William Stephenson

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Career Pitching Statistics

Robert Stephenson — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
19	20	283	22	0	0	3	374.1	335	191	64	162	416	4.59	-2571.7

Career ERA 4.59 vs. league average 4.25 across their career seasons — 8.0% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Robert Stephenson Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
2016	CIN	NL	2	3	8	8	0	37.0	41	25	19	31	6.08	4.19 (-45%)	-2134.9
2017	CIN	NL	5	6	25	11	1	84.2	81	44	53	86	4.68	4.36 (-7%)	-1184.2
2018	CIN	NL	0	2	4	3	0	11.2	17	12	12	11	9.26	4.15 (-123%)	-711.8
2019	CIN	NL	3	2	57	0	0	64.2	43	27	24	81	3.76	4.51 (+17%)	1430.8
2020	CIN	NL	0	0	10	0	0	10.0	11	11	3	13	9.90	4.45 (-122%)	-1934.5
2021	COL	NL	2	1	49	0	1	46.0	42	16	18	52	3.13	4.27 (+27%)	741.8
2022	COL	NL	2	1	45	0	0	44.2	53	30	13	37	6.04	3.97 (-52%)	-769.2
2022	PIT	NL	0	1	13	0	0	13.1	10	5	1	18	3.38	3.97 (+15%)	386.4
2023	PIT	NL	0	3	18	0	0	14.0	12	8	8	17	5.14	4.33 (-19%)	-348.2
2023	TBA	AL	3	1	42	0	1	38.1	18	10	8	60	2.35	4.33 (+46%)	1821.1
2025	LAA	AL	2	0	12	0	0	10.0	7	3	3	10	2.70	4.16 (+35%)	131.1
Career · 11 seasons			19	20	283	22	3	374.1	335	191	162	416	4.59	—	-2,572

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Robert Stephenson — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
284	36	1	1	0	0	0	0	0	1	22	.028	.054	.028	.082	0

Career AVG .028 vs. league average .249 across their career seasons — 88.8% below league average.

Career OBP .054 vs. league average .319 across their career seasons — 83.1% below league average.

Career SLG .028 vs. league average .414 across their career seasons — 93.3% below league average.

Career OPS .082 vs. league average .733 across their career seasons — 88.8% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Robert Stephenson Stats, Bio & Career Records
Year	Team	Lg	G	AB	R	H	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
2016	CIN	NL	8	10	0	0	0	5	.000	—	—	—	—	0.0
2017	CIN	NL	26	23	1	1	0	15	.043	—	—	—	—	0.0
2018	CIN	NL	4	2	0	0	1	1	.000	—	—	—	—	0.0
2019	CIN	NL	57	1	0	0	0	1	.000	—	—	—	—	0.0
2020	CIN	NL	10	0	0	0	0	0	.000	—	—	—	—	0.0
2021	COL	NL	49	0	0	0	0	0	.000	—	—	—	—	0.0
2022	COL	NL	45	0	0	0	0	0	.000	—	—	—	—	0.0
2022	PIT	NL	13	0	0	0	0	0	.000	—	—	—	—	0.0
2023	PIT	NL	18	0	0	0	0	0	.000	—	—	—	—	0.0
2023	TBA	AL	42	0	0	0	0	0	.000	—	—	—	—	0.0
2025	LAA	AL	12	0	0	0	0	0	.000	—	—	—	—	0.0
Career · 11 seasons			284	36	1	1	1	22	.028	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (567 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Robert Stephenson — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	142	22	1	0	0	0	.000
Away	142	14	0	1	0	0	.071

Pitching — Home / Away

Robert Stephenson — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	142	197.1	177	106	85	231	4.83
Away	141	177.0	158	85	77	185	4.32

Last 10 Games — Pitching

Robert Stephenson — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
2025-09-19	LAA	COL	—	1.0	1	0	0	0	2	0
2025-09-17	LAA	MIL	—	1.0	0	0	0	0	2	0
2025-09-11	LAA	SEA	—	1.0	0	0	0	0	2	0
2025-09-10	LAA	MIN	W	0.1	0	0	0	1	1	0
2025-09-08	LAA	MIN	—	0.2	1	2	1	1	0	1
2025-09-06	LAA	OAK	—	1.0	0	0	0	0	0	0
2025-09-03	LAA	KCR	W	1.0	2	1	1	0	0	0
2025-08-29	LAA	HOU	—	1.0	1	0	0	1	1	0
2025-08-27	LAA	TEX	—	1.0	2	1	1	0	0	0
2025-08-22	LAA	CHC	—	1.0	0	0	0	0	0	0

Fielding Statistics

Career Fielding Totals by Position

Robert Stephenson — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	283	22	21	23	9	1

Season-by-Season Fielding

Robert Stephenson — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
2016	CIN	P	8	8	1	2	0	0
2017	CIN	P	25	11	4	5	3	0
2018	CIN	P	4	3	1	1	0	0
2019	CIN	P	57	0	4	6	4	0
2020	CIN	P	10	0	2	0	0	0
2021	COL	P	49	0	2	3	1	0
2022	COL	P	45	0	2	2	1	0
2022	PIT	P	13	0	0	2	0	0
2023	PIT	P	18	0	1	1	0	1
2023	TBA	P	42	0	4	1	0	0
2025	LAA	P	12	0	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Robert Stephenson Stats, Bio & Career Records
Position	Games
Pitcher	283

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Robert Stephenson: the record in brief

Robert Stephenson made a major league debut on April 7, 2016 and is still active, so the totals on this page keep changing. The team column moves through the Cincinnati Reds (2016 to 2020), the Colorado Rockies (2021 to 2022), the Pittsburgh Pirates (2022 through 2023), the Tampa Bay Rays (2023), and the Los Angeles Angels of Anaheim (2025). Stephenson played primarily as a pitcher and both batted and threw right-handed. Born on February 24, 1993, in Martinez, CA, USA, Stephenson was listed at 6 feet, 3 inches and 205 pounds. Stephenson's full given name, per the bio, is Robert William Stephenson.

Stephenson has gone 19-20 with a 4.59 ERA in 283 games, 22 of them starts. The totals include 416 strikeouts. The league ERA over Stephenson's seasons was 4.25, so the 4.59 figure ran 8.0% worse than average. The best win total was 5, in 2017. Among the heaviest workloads, the lowest ERA was 3.76 in 2019, when the league's was 4.51.

Frequently Asked Questions about Robert Stephenson

What years did Robert Stephenson play?: Robert Stephenson played in Major League Baseball from 2016 to 2025.
Was Robert Stephenson a pitcher?: Yes. Robert Stephenson pitched in the major leagues, recording 19 wins and 416 strikeouts.
How many home runs did Robert Stephenson hit?: Robert Stephenson hit 0 career home runs with 1 hits.
What was Robert Stephenson's career batting average?: Robert Stephenson batted .028 over his career, with 1 hits in 36 at bats.
What was Robert Stephenson's career ERA?: Robert Stephenson finished with a 4.59 career ERA, going 19-20 with 416 strikeouts.
How many strikeouts did Robert Stephenson have?: Robert Stephenson recorded 416 career strikeouts.