William Kempner
William Kempner
MIA
Marlins· P· #71· Right throws
League Rank
7-DAY
NR
ERA
30-DAY
NR
ERA
SEASON
NR/46
ERA
Season Stats (Pitching) · with League Rank
1-0
W-L
2.92
ERA
0.97
WHIP
14
K
12.1
IP
9
G
0
SV
0
HLD
Recent Performances · Last 15 (K)
1
vs
BAL
0
@
NYM
3
@
NYM
1
vs
TB
3
vs
AZ
2
@
PHI
1
@
ATH
0
vs
SEA
3
vs
CLE
Recent Form Summary
LAST 5 STARTS · 1-0
4.70
ERA
1.17
WHIP
.185
BAA
1.5
AVG IP
9
TOTAL K
RUNS ALLOWED · LAST 10 STARTS
2
Jul 11
Cleveland Guardians
2
Jul 9
Seattle Mariners
0
Jul 3
Athletics
0
Jun 15
Philadelphia Phillies
0
Jun 10
Arizona Diamondbacks
0
Jun 5
Tampa Bay Rays
0
May 31
New York Mets
0
May 30
New York Mets
0
May 5
Baltimore Orioles
Avg runs allowed/start: 0.4 · 0 = clean · 1-2 = quality · 5+ = rough
⚠️ OPENER DETECTED
William Kempner historically pitches ~1.4 inning (8 app.)
Likely follows with bulk pitcher TBD
Per-Game Feed (9)
Jul 11vs
CLE
CLE
L1-42.0 IP, 2 ER, 3 K, 0 BB
Jul 9vs
SEA
SEA
W8-40.1 IP, 2 ER, 0 K, 2 BB
Jul 3@
ATH
ATH
W12-51.0 IP, 0 ER, 1 K, 0 BB
Jun 15@
PHI
PHI
L0-72.1 IP, 0 ER, 2 K, 0 BB
Jun 10vs
AZ
AZ
W8-02.0 IP, 0 ER, 3 K, 2 BB
Jun 5vs
TB
TB
L0-61.1 IP, 0 ER, 1 K, 0 BB
May 31@
NYM
NYM
L1-101.1 IP, 0 ER, 3 K, 0 BB
May 30@
NYM
NYM
L1-61.0 IP, 0 ER, 0 K, 0 BB
May 5vs
BAL
BAL
L7-91.0 IP, 0 ER, 1 K, 0 BB
Season Trend Summary
📈 ERA trending up — last 5 starts avg 4.70 vs season 2.92
📈 ERA 2.92 — well below league avg 4.2
Last 5 Starts Summary
ERA: 4.70 vs 2.92 (season) ⬆️ Getting worseWHIP: 1.17 vs 0.97 (season) ⬆️ Getting worseBAA: .179 vs .182 (season) ➡️ Stable
Last 5: 1W · 0L · 4ND · 4.70 ERA · 1.17 WHIP · .179 BAA · avg 1.5 IP per start
Inning by Inning Breakdown
No inning split data available
Splits · LHB vs RHB
vs LHB
.167
AVG
0.00
ERA
12.5
K/9
2.1
BB/9
vs RHB
.214
AVG
0.00
ERA
4.9
K/9
4.9
BB/9
Pitch Arsenal
Primary: Four-seam FB 48% · Sweeper 22% · Sinker 15% · Cutter 13%
Four-seam FB48%95.5 mph
Sweeper22%81.6 mph
Sinker15%94.0 mph
Cutter13%87.3 mph
🎯 CONTACT PITCHER — 75% fastball-heavy but lives on location, not velocity.