Washington Nationals · Pitcher · #49

Jack Sinclair

Age 276' 4" · 170lbBats R · Throws RDebut 2026From Coral Springs

ERA

2.45

W-L

1-0

WHIP

0.91

WAR

0.1

FIP

3.55

League Percentile

2026 season · percentile vs 46 qualified pitchers

ERA

2.45

WHIP

0.91

Strikeouts

K/9

6.55

Wins

Bottom of leagueAverage (50)Top of league

⚠ Below the qualified innings threshold. Percentiles are for reference only.

the entire league · by ERA

Top 9%

Jack Sinclair's ERA (2.45) ranks above average among 46 qualified pitchers. The number on each bar is a percentile (higher is better); use the tabs to change the comparison pool.

PITCHING

Season · Career

Category	Games	ERA	Wins	Losses	Saves	Innings	Strikeouts	Walks	WHIP
2026 Season	11	2.45	1	0	1	11.0	8	4	0.91
Career	11	2.45	1	0	1	11.0	8	4	0.91

Hover over a stat for its definition.

ARSENAL

Pitch arsenal · 2026 usage and average velocity

Sweeper42.5%avg 134 km/h

Four-Seam30.5%avg 156 km/h

Sinker12.6%avg 154 km/h

Slider10.2%avg 143 km/h

Changeup4.2%avg 142 km/h

ADVANCED

Advanced metrics · 2026 season

BABIP

.194

K/9

6.55

BB/9

3.27

HR/9

0.00

Quality starts

Whiff%

17.9%

GAME LOG

Last 10 games · includes team result

Date	Opp	Innings	Hits	ER	Walks	Strikeouts	Team
09.27	vs NYM	0.2	0	0	0	1	W
09.25	vs NYM	1.0	2	1	0	1	W
09.23	@ DET	0.1	0	0	0	0	W
09.22	@ DET	1.1	0	0	0	1	W
09.19	@ STL	1.1	1	0	0	0	W
09.18	@ STL	1.0	1	1	1	0	W
09.13	vs LAA	1.0	1	1	0	1	W
09.12	vs LAA	1.1	0	0	1	1	W
09.07	@ SD	1.1	1	0	1	0	L
09.05	@ LAD	0.2	0	0	1	2	L

SPLITS

Situational splits (2026)

Home

Opp AVG.200

IP4.0

WHIP1.00

Away

Opp AVG.130

IP7.0

WHIP0.86

vs LHP

Opp AVG.294

IP4.0

WHIP1.75

vs RHP

Opp AVG.048

IP7.0

WHIP0.43

RISP

Opp AVG.000

IP5.2

WHIP0.53

YEAR BY YEAR

Year-by-year · Career trends

Year	Team	Games	ERA	Wins	Losses	Saves	Innings	Strikeouts	Walks	WHIP
2026	WSH	11	2.45	1	0	1	11.0	8	4	0.91