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SP Sean O'Sullivan, R,
Red Sox
[Signed: $7/3 yr(s)]
Scroll table or
stretch table
.
Year
Team
Rk
G
GS
W
L
ERA
oOBP
WHIP
H/9
BB/9
SO/9
IP
H
R
ER
HR
BB
SO
CG
SV
BS
SHO
QS
HB
WP
DICE
2014
Red Sox
94
28
0
7
0
4.33
.270
1.08
7.6
2.2
7.2
122.2
103
61
59
20
30
98
0
0
0
0
0
3
1
4.34
2015
Red Sox
94
33
32
9
15
5.59
.315
1.37
9.5
2.8
6.6
159.1
168
99
99
33
50
116
0
0
0
0
13
2
1
5.22
2016
Red Sox
94
33
33
12
8
4.40
.302
1.26
8.5
2.9
6.7
182.0
172
90
89
24
58
135
0
0
0
0
15
6
3
4.29
Current
Red Sox
94
23
23
4
11
4.21
.280
1.14
7.5
2.8
7.2
130.1
109
69
61
19
40
104
1
0
0
1
10
3
1
4.29
Totals
117
88
32
34
4.66
.294
1.23
8.4
2.7
6.9
594.1
552
319
308
96
178
453
1
0
0
1
38
14
6
4.55
Season Splits
Year
WHIP VR
WHIP VL
H/9 VR
H/9 VL
BB/9 VR
BB/9 VL
SO/9 VR
SO/9 VL
IP VR
HA VR
BB VR
SO VR
IP VL
HA VL
BB VL
SO VL
Current
1.02
1.25
5.8
9.1
3.4
2.2
8.1
6.4
61.0
39
23
55
69.1
70
17
49
Milestones
No Hitters
Perfect Games
1 in current season.
None.
Milestones started recording October, 2023.
Player Actions
Real Stats
Scroll table or
stretch table
.
Role
Age
Year
Rk
W
L
ERA
oOBP
eOBP
WHIP (Rk)
H/9 (Rk)
BB/9
SO/9 (Rk)
IP
H
HR
BB
SO
CG
SV
WP
Stamina
Fire
P
SP
29
2009
94
4
2
5.92
.227
.270
0.92
(
95
)
6.5 (92)
1.7
8.3 (68)
83
60
12
16
77
0
0
1
96
22
C
See Sean O'Sullivan full career
Before Last Progression (3/24/2024)
Scroll table or
stretch table
.
Role
Age
Year
Rk
W
L
ERA
oOBP
eOBP
WHIP (Rk)
H/9 (Rk)
BB/9
SO/9 (Rk)
IP
H
HR
BB
SO
CG
SV
WP
Stamina
Fire
P
SP
28
2009
95
4
2
5.92
.227
.270
0.92
(
95
)
6.5 (94)
1.7
8.3 (73)
83
60
12
16
77
0
0
1
96
22
C
Game Log
Scroll table or
stretch table
.
Date
Opponent
Score
Dec
IP
H
R
ER
HR
BB
K
QS
ERA (season)
5/18
@Tigers
L 7-3
L
4.2
5
3
3
1
4
4
0
4.21
5/16
@Indians
W 2-0
W
8.2
2
0
0
0
0
6
1
4.15
5/14
@White Sox
W 6-5
-
4.2
6
3
3
0
3
5
0
4.46
5/11
White Sox
L 9-7
-
5.0
8
6
3
0
1
4
0
4.41
5/9
Yankees
L 8-1
L
5.0
7
3
3
0
3
5
0
4.36
5/8
@Orioles
L 6-4
L
4.2
7
6
6
1
2
2
0
4.31
5/6
@Twins
L 8-0
L
4.1
8
5
4
0
0
4
0
3.96
5/4
@Indians
L 7-6
-
6.2
4
1
0
0
4
4
1
3.76
5/2
White Sox
W 3-1
-
7.0
3
1
1
0
3
2
1
4.05
4/30
Indians
W 5-0
W
9.0
0
0
0
0
0
6
1
4.29
4/28
Tigers
L 5-3
-
6.1
4
2
1
1
2
5
1
4.84
4/26
@White Sox
L 8-0
L
4.0
4
5
5
1
4
3
0
5.18
4/25
@Athletics
L 4-0
L
6.0
3
2
2
1
3
5
1
4.77
4/23
@Twins
L 6-3
L
3.1
7
5
5
2
2
1
0
4.97
4/21
Twins
W 9-7
-
2.1
3
4
4
2
1
3
0
4.41
4/19
Tigers
W 5-1
W
7.1
2
1
1
1
1
7
1
3.88
4/17
White Sox
L 9-4
L
4.2
9
4
4
3
0
2
0
4.35
4/16
@Orioles
L 5-0
L
6.0
5
3
3
1
2
4
1
3.93
4/14
@Athletics
L 4-1
L
6.2
4
2
2
1
1
5
1
3.82
4/12
@Indians
W 10-5
W
6.1
8
5
4
2
0
7
0
4.13
4/10
Orioles
W 3-2
-
7.0
1
2
1
1
2
7
1
3.57
4/9
Yankees
W 5-4
-
5.1
2
1
1
1
1
7
0
5.06
4/7
@Yankees
L 9-4
L
5.1
7
5
5
0
1
6
0
8.44
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