MLB Player Intelligence
Mark Leiter Jr.
RP · 
Oakland Athletics · #38
Bats/ThrowsR/R
Height6' 0"
Weight210 lbs
BirthplaceFort Lauderdale, FL
MLB Debut2019
CollegeNJIT
Draft2013: Rd 22, Pk 661 (PHI)
📊Full Stat Line (2026)
G36
GS0
QS0
HLD5
H33
ER16
HR2
BB11
K/910.16
WAR0.55
🤚Career Splits by Handedness
vs Left-Handed Batters
AVG.214
OBP.313
SLG.268
OPS.580
vs Right-Handed Batters
AVG.257
OBP.325
SLG.400
OPS.725
Career totals from real plate-appearance data — lower OPS allowed is better for a pitcher.
⚔️This Season vs. Each Opponent
| Opponent | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
vs. NYY
|
13.50 | 2.2 | 1 | 1 | .462 |
vs. TEX
|
10.13 | 2.2 | 4 | 1 | .200 |
vs. ATL
|
0.00 | 2.0 | 1 | 0 | .375 |
vs. HOU
|
0.00 | 2.0 | 2 | 1 | .143 |
vs. LAA
|
0.00 | 2.0 | 2 | 0 | .167 |
vs. NYM
|
0.00 | 2.0 | 4 | 0 | .143 |
vs. SF
|
0.00 | 2.0 | 2 | 0 | .250 |
vs. SEA
|
4.50 | 2.0 | 2 | 0 | .400 |
vs. STL
|
0.00 | 2.0 | 3 | 0 | .000 |
vs. CHC
|
0.00 | 1.2 | 2 | 0 | .000 |
vs. CHW
|
0.00 | 1.2 | 2 | 2 | .000 |
vs. KC
|
0.00 | 1.1 | 2 | 1 | .000 |
vs. BAL
|
18.00 | 1.0 | 1 | 0 | .500 |
vs. CLE
|
0.00 | 1.0 | 1 | 0 | .000 |
vs. COL
|
0.00 | 1.0 | 1 | 0 | .333 |
vs. DET
|
0.00 | 1.0 | 2 | 0 | .250 |
vs. MIA
|
0.00 | 1.0 | 2 | 0 | .000 |
vs. PIT
|
0.00 | 1.0 | 0 | 0 | .250 |
vs. SD
|
0.00 | 1.0 | 0 | 1 | .000 |
vs. WSH
|
0.00 | 1.0 | 2 | 1 | .250 |
vs. PHI
|
54.00 | 0.2 | 1 | 1 | .750 |
vs. TOR
|
13.50 | 0.2 | 0 | 0 | .500 |
vs. MIL
|
27.00 | 0.1 | 1 | 2 | .500 |
🏟️This Season at Each Ballpark
| Ballpark | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Total | 4.28 | 33.2 | 38 | 11 | .258 |
| Angel Stadium | 0.00 | 2.0 | 2 | 0 | .167 |
| Citi Field | 0.00 | 2.0 | 4 | 0 | .143 |
| Safeco Field | 4.50 | 2.0 | 2 | 0 | .400 |
| Wrigley Field | 0.00 | 1.2 | 2 | 0 | .000 |
| Camden Yards | 18.00 | 1.0 | 1 | 0 | .500 |
| Comerica Park | 0.00 | 1.0 | 2 | 0 | .250 |
| Minute Maid Park | 0.00 | 1.0 | 2 | 0 | .000 |
| PETCO Park | 0.00 | 1.0 | 0 | 1 | .000 |
| U.S. Cellular Field | 0.00 | 1.0 | 1 | 0 | .000 |
| Citizens Bank Park | 54.00 | 0.2 | 1 | 1 | .750 |
| Rogers Centre | 13.50 | 0.2 | 0 | 0 | .500 |
| Yankee Stadium | 54.00 | 0.2 | 0 | 0 | .714 |
📅By Month & Recent Form
| Split | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Last 7 Days | 0.00 | 1.0 | 2 | 1 | .250 |
| Last 15 Days | 0.00 | 1.0 | 2 | 1 | .250 |
| Last 30 Days | 0.00 | 1.0 | 2 | 1 | .250 |
| March | 3.38 | 2.2 | 1 | 0 | .417 |
| April | 6.97 | 10.1 | 13 | 5 | .295 |
| May | 4.63 | 11.2 | 11 | 3 | .238 |
| June | 1.80 | 5.0 | 6 | 2 | .176 |
| July | 0.00 | 4.0 | 7 | 1 | .154 |
🎯Pitch Arsenal (2026)
| Type | Pitches | Usage% | Zone% | Chase% | Whiff% | BA | wOBA | xwOBA |
|---|---|---|---|---|---|---|---|---|
| Splitter | 180 | 32.7% | 16.1% | 51.0% | 45.1% | .192 | .163 | .142 |
| Sinker | 143 | 25.9% | 31.5% | 28.6% | 17.9% | .226 | .229 | .350 |
| Curveball | 106 | 19.2% | 29.3% | 51.7% | 31.0% | .250 | .177 | .242 |
| 4-Seam Fastball | 64 | 11.6% | 12.5% | 12.5% | 12.5% | .333 | .417 | .299 |
| Cutter | 51 | 9.3% | 31.4% | 20.0% | 20.0% | .556 | .400 | .391 |
| Slider | 7 | 1.3% | 0.0% | — | — | .400 | — | — |
🌀Pitch Movement (2026)
| Type | # | Velo | Spin | IVB | H-Break | Ext |
|---|---|---|---|---|---|---|
| Splitter | 97 | 84.0 | 755 | +2.4" | +0.4" | 6.7 |
| Sinker | 68 | 91.8 | 2,018 | +10.9" | +1.2" | 6.6 |
| Curveball | 50 | 73.7 | 2,311 | -16.9" | -0.9" | 6.5 |
| 4-Seam Fastball | 31 | 92.1 | 1,951 | +15.4" | +0.6" | 6.5 |
| Cutter | 19 | 89.3 | 2,109 | +8.6" | -0.1" | 6.5 |
IVB = induced vertical break (gravity removed) · H-Break = horizontal movement · Ext = release extension in feet.
📋Recent Game Log
| Date | Opp | Score | IP | H | ER | BB | K | Outs | ERA | PC | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| W | Saturday, July 18, 2026 |
WSH
|
1-15 | 1.0 | 1 | 0 | 1 | 2 | 3 | 4.28 | 31 | — |
| L | Sunday, July 12, 2026 |
CHW
|
1-9 | 1.0 | 0 | 0 | 0 | 1 | 3 | 4.41 | 7 | — |
| L | Thursday, July 9, 2026 |
DET
|
1-4 | 1.0 | 1 | 0 | 0 | 2 | 3 | 4.55 | 19 | — |
| L | Friday, July 3, 2026 |
MIA
|
12-5 | 1.0 | 0 | 0 | 0 | 2 | 3 | 4.70 | 13 | — |
| L | Tuesday, June 16, 2026 |
PIT
|
6-5 | 1.0 | 1 | 0 | 0 | 0 | 3 | 4.85 | 9 | — |
| W | Saturday, June 13, 2026 |
COL
|
5-7 | 1.0 | 1 | 0 | 0 | 1 | 3 | 5.02 | 13 | — |
| L | Monday, June 8, 2026 |
MIL
|
15-14 | 0.1 | 1 | 1 | 2 | 1 | 1 | 5.20 | 23 | — |
| W | Sunday, June 7, 2026 |
HOU
|
5-0 | 1.0 | 0 | 0 | 0 | 2 | 3 | 4.94 | 16 | — |
| L | Thursday, June 4, 2026 |
CHC
|
6-7 | 1.0 | 0 | 0 | 0 | 2 | 3 | 5.13 | 16 | — |
| W | Wednesday, June 3, 2026 |
CHC
|
5-4 | 0.2 | 0 | 0 | 0 | 0 | 2 | 5.33 | 4 | — |
👥Team — Oakland Athletics
| Player | Pos | Key Stat |
|---|---|---|
| Nick Kurtz | 1B | .256 AVG |
| Joey Meneses | 1B | .150 AVG |
| Tommy White | 1B | .254 AVG |
| Jeff McNeil | 2B | .264 AVG |
| Michael Stefanic | 2B | .346 AVG |
| Donovan Walton | 2B | .261 AVG |
| Zack Gelof | 3B | .256 AVG |
| Joshua Kuroda-Grauer | 3B | .366 AVG |
| Max Muncy | 3B | .230 AVG |
| Jonah Heim | C | .204 AVG |
| Shea Langeliers | C | .262 AVG |
| Brian Serven | C | .175 AVG |
| Henry Bolte | CF | .277 AVG |
| Denzel Clarke | CF | .158 AVG |
| Tyler Soderstrom | LF | .245 AVG |
| Scott Barlow | Relief Pitcher | 6.48 ERA |
| Lawrence Butler | RF | .237 AVG |
| Carlos Cortes | RF | 10.61 ERA |
| Johnathan Rodriguez | RF | .182 AVG |
| Elvis Alvarado | RP | 3.90 ERA |
| Mason Barnett | RP | 7.02 ERA |
| Brady Basso | RP | 6.07 ERA |
| Hunter Bigge | RP | 6.98 ERA |
| Scott Blewett | RP | 3.13 ERA |
| Ben Bowden | RP | 36.00 ERA |
| Hogan Harris | RP | 3.33 ERA |
| Geoff Hartlieb | RP | 4.82 ERA |
| Seth Johnson | RP | 5.88 ERA |
| Hayden Juenger | RP | 9.00 ERA |
| Luis Medina | RP | 3.08 ERA |
| Taylor Rashi | RP | 7.94 ERA |
| Joe Rock | RP | 5.23 ERA |
| Drew Rom | RP | 5.60 ERA |
| Chris Roycroft | RP | 6.57 ERA |
| Justin Sterner | RP | 6.12 ERA |
| Jose Suarez | RP | 5.87 ERA |
| Yunior Tur | RP | 16.34 ERA |
| Andy Ibanez | Second Baseman | .087 AVG |
| Henry Baez | SP | — |
| Joey Estes | SP | 11.05 ERA |
| J.T. Ginn | SP | 3.71 ERA |
| Gage Jump | SP | 5.47 ERA |
| Jacob Lopez | SP | 5.47 ERA |
| Luis Morales | SP | 13.50 ERA |
| Kade Morris | SP | 10.90 ERA |
| Braden Nett | SP | — |
| Jack Perkins | SP | 6.10 ERA |
| Jeffrey Springs | SP | 6.18 ERA |
| Darell Hernaiz | SS | .234 AVG |
| Alika Williams | SS | .270 AVG |
| Jacob Wilson | SS | .266 AVG |
| Luis Severino | Starting Pitcher | 4.16 ERA |
See the Full Analysis
Key Suspects, player props, DFS rankings, and matchup intelligence for Mark Leiter Jr. and every MLB game — available in the BlowOutAlert workspace.