MLB Player Intelligence
Greg Weissert
RP · 
Boston Red Sox · #57
Bats/ThrowsR/R
Height6' 2"
Weight235 lbs
BirthplaceBay Shore, NY
MLB Debut2021
📊Full Stat Line (2026)
G63
GS0
QS0
HLD8
H55
ER22
HR8
BB20
K/98.90
WAR0.69
🤚Career Splits by Handedness
vs Left-Handed Batters
AVG.274
OBP.357
SLG.411
OPS.768
vs Right-Handed Batters
AVG.232
OBP.281
SLG.352
OPS.633
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. TOR
|
8.10 | 6.2 | 5 | 1 | .286 |
vs. TB
|
1.80 | 5.0 | 4 | 3 | .318 |
vs. ATL
|
5.40 | 3.1 | 1 | 1 | .167 |
vs. BAL
|
0.00 | 3.1 | 5 | 1 | .167 |
vs. LAA
|
0.00 | 3.1 | 4 | 1 | .100 |
vs. DET
|
0.00 | 3.0 | 3 | 0 | .100 |
vs. KC
|
0.00 | 3.0 | 2 | 0 | .333 |
vs. CHW
|
3.38 | 2.2 | 3 | 2 | .200 |
vs. TEX
|
0.00 | 2.2 | 2 | 0 | .200 |
vs. HOU
|
3.86 | 2.1 | 2 | 0 | .375 |
vs. MIN
|
0.00 | 2.1 | 1 | 1 | .250 |
vs. NYY
|
3.86 | 2.1 | 3 | 2 | .400 |
vs. ARI
|
9.00 | 2.0 | 2 | 1 | .375 |
vs. NYM
|
4.50 | 2.0 | 2 | 0 | .250 |
vs. OAK
|
0.00 | 2.0 | 3 | 0 | .167 |
vs. SD
|
9.00 | 2.0 | 4 | 0 | .250 |
vs. SEA
|
0.00 | 2.0 | 2 | 1 | .143 |
vs. STL
|
0.00 | 2.0 | 1 | 1 | .000 |
vs. CIN
|
16.20 | 1.2 | 3 | 2 | .375 |
vs. WSH
|
10.80 | 1.2 | 1 | 1 | .167 |
vs. CHC
|
0.00 | 1.1 | 1 | 2 | .000 |
vs. CLE
|
0.00 | 1.0 | 1 | 0 | .250 |
vs. MIA
|
0.00 | 1.0 | 1 | 0 | .250 |
vs. SF
|
0.00 | 1.0 | 2 | 0 | .250 |
vs. MIL
|
0.00 | 0.2 | 2 | 0 | .333 |
vs. LAD
|
0.00 | 0.1 | 0 | 0 | .000 |
🏟️This Season at Each Ballpark
| Ballpark | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Total | 3.26 | 60.2 | 60 | 20 | .240 |
| Fenway Park | 4.50 | 32.0 | 34 | 13 | .289 |
| Rogers Centre | 6.75 | 2.2 | 2 | 1 | .273 |
| Tropicana Field | 0.00 | 2.2 | 3 | 1 | .200 |
| Angel Stadium | 0.00 | 2.1 | 2 | 1 | .000 |
| Busch Stadium II | 0.00 | 2.0 | 1 | 1 | .000 |
| Citi Field | 4.50 | 2.0 | 2 | 0 | .250 |
| Camden Yards | 0.00 | 1.2 | 2 | 1 | .286 |
| Great American | 16.20 | 1.2 | 3 | 2 | .375 |
| Kauffman Stadium | 0.00 | 1.1 | 1 | 0 | .200 |
| Yankee Stadium | 0.00 | 1.1 | 2 | 0 | .250 |
| Comerica Park | 0.00 | 1.0 | 0 | 0 | .000 |
| Marlins Park | 0.00 | 1.0 | 1 | 0 | .250 |
| Minute Maid Park | 0.00 | 1.0 | 1 | 0 | .000 |
| Progressive Field | 0.00 | 1.0 | 1 | 0 | .250 |
| Safeco Field | 0.00 | 1.0 | 1 | 0 | .000 |
| U.S. Cellular Field | 0.00 | 1.0 | 0 | 0 | .000 |
| Dodger Stadium | 0.00 | 0.1 | 0 | 0 | .000 |
📅By Month & Recent Form
| Split | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Last 7 Days | 0.00 | 1.1 | 1 | 2 | .000 |
| Last 15 Days | 0.00 | 4.2 | 3 | 2 | .125 |
| Last 30 Days | 0.00 | 9.2 | 9 | 4 | .229 |
| March | 16.20 | 1.2 | 3 | 2 | .375 |
| April | 3.38 | 10.2 | 14 | 2 | .256 |
| May | 3.27 | 11.0 | 5 | 4 | .268 |
| June | 4.00 | 9.0 | 9 | 3 | .182 |
| July | 3.27 | 11.0 | 10 | 1 | .225 |
| August | 3.24 | 8.1 | 11 | 4 | .258 |
| September | 0.00 | 9.0 | 8 | 4 | .212 |
🎯Pitch Arsenal (2026)
| Type | Pitches | Usage% | Zone% | Chase% | Whiff% | BA | wOBA | xwOBA |
|---|---|---|---|---|---|---|---|---|
| Sinker | 348 | 35.1% | 44.8% | 28.5% | 13.1% | .250 | .340 | .329 |
| 4-Seam Fastball | 284 | 28.7% | 40.1% | 24.8% | 24.0% | .194 | .224 | .207 |
| Changeup | 132 | 13.3% | 20.4% | 62.5% | 50.0% | .258 | .248 | .181 |
| Sweeper | 125 | 12.6% | 22.4% | 37.0% | 25.9% | .278 | .430 | .486 |
| Slider | 81 | 8.2% | 40.7% | 22.2% | 11.1% | .333 | .417 | .474 |
| Curveball | 21 | 2.1% | 9.5% | 0.0% | 0.0% | .333 | .233 | .251 |
| 4-Seam Fastball | 9 | 60.0% | 66.7% | 33.3% | 33.3% | .000 | .000 | .136 |
| Sweeper | 3 | 20.0% | 33.3% | 0.0% | 0.0% | — | — | — |
| Sinker | 2 | 13.3% | 0.0% | 100.0% | 0.0% | .000 | .000 | .111 |
| Changeup | 1 | 6.7% | 0.0% | — | — | — | — | — |
🌀Pitch Movement (2026)
| Type | # | Velo | Spin | IVB | H-Break | Ext |
|---|---|---|---|---|---|---|
| Sinker | 232 | 94.0 | 2,125 | +2.3" | +1.5" | 5.9 |
| 4-Seam Fastball | 202 | 94.3 | 2,282 | +11.1" | +0.8" | 5.8 |
| Changeup | 91 | 85.2 | 1,623 | -5.0" | +1.3" | 6.2 |
| Sweeper | 81 | 82.3 | 2,875 | +5.1" | -1.4" | 5.8 |
| Slider | 51 | 85.8 | 2,556 | +3.2" | -0.4" | 5.9 |
| Curveball | 11 | 81.8 | 2,636 | -6.8" | -1.2" | 6.2 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| L | Tuesday, September 29, 2026 Postseason |
NYY
|
0-9 | 1.0 | 0 | 0 | 0 | 0 | 3 | 0.00 | 15 | — |
| W | Friday, September 25, 2026 |
CHC
|
3-4 | 1.1 | 0 | 0 | 2 | 1 | 4 | 3.26 | 22 | W |
| W | Friday, September 18, 2026 |
TB
|
4-2 | 2.0 | 1 | 0 | 0 | 1 | 6 | 3.34 | 27 | — |
| L | Wednesday, September 16, 2026 |
TEX
|
3-7 | 1.1 | 1 | 0 | 0 | 1 | 4 | 3.45 | 15 | — |
| W | Sunday, September 13, 2026 |
KC
|
1-4 | 1.0 | 0 | 0 | 0 | 1 | 3 | 3.54 | 11 | — |
| L | Friday, September 11, 2026 |
KC
|
3-2 | 0.2 | 3 | 0 | 0 | 0 | 2 | 3.60 | 18 | — |
| L | Tuesday, September 8, 2026 |
LAA
|
6-1 | 1.0 | 1 | 0 | 0 | 2 | 3 | 3.64 | 16 | — |
| W | Saturday, September 5, 2026 |
BAL
|
5-0 | 0.2 | 0 | 0 | 1 | 1 | 2 | 3.71 | 13 | — |
| L | Tuesday, September 1, 2026 |
SEA
|
9-6 | 1.0 | 1 | 0 | 1 | 1 | 3 | 3.76 | 19 | — |
| L | Sunday, August 30, 2026 |
NYY
|
1-16 | 0.2 | 1 | 0 | 0 | 1 | 2 | 3.83 | 15 | — |
👥Team — Boston Red Sox
| Player | Pos | Key Stat |
|---|---|---|
| Willson Contreras | 1B | .275 AVG |
| Isiah Kiner-Falefa | 2B | 0.00 ERA |
| Anthony Seigler | 2B | .247 AVG |
| Nick Sogard | 2B | .255 AVG |
| Caleb Durbin | 3B | .248 AVG |
| Curtis Mead | 3B | .253 AVG |
| Adley Rutschman | C | .242 AVG |
| Connor Wong | C | .233 AVG |
| Ceddanne Rafaela | CF | .283 AVG |
| Eli White | CF | .246 AVG |
| Mickey Gasper | DH | .251 AVG |
| Romy Gonzalez | DH | .185 AVG |
| Jahmai Jones | DH | .206 AVG |
| Masataka Yoshida | DH | .274 AVG |
| Roman Anthony | LF | .245 AVG |
| Jarren Duran | LF | .207 AVG |
| Nate Eaton | LF | .160 AVG |
| Kristian Campbell | OF | .223 AVG |
| Zack Kelly | Relief Pitcher | 3.31 ERA |
| Wilyer Abreu | RF | .248 AVG |
| Raymond Burgos | RP | 4.22 ERA |
| Aroldis Chapman | RP | 1.92 ERA |
| Danny Coulombe | RP | 4.50 ERA |
| Alec Gamboa | RP | 1.91 ERA |
| Tyron Guerrero | RP | 3.10 ERA |
| Seth Martinez | RP | 9.00 ERA |
| Erik Miller | RP | 2.98 ERA |
| Jovani Moran | RP | 3.15 ERA |
| Wyatt Olds | RP | 1.15 ERA |
| Jedixson Paez | RP | 10.80 ERA |
| Tyler Samaniego | RP | 2.66 ERA |
| Justin Slaten | RP | 4.60 ERA |
| Garrett Whitlock | RP | 1.72 ERA |
| Brayan Bello | SP | 4.33 ERA |
| Jake Bennett | SP | 3.65 ERA |
| Garrett Crochet | SP | 6.30 ERA |
| Sonny Gray | SP | 2.72 ERA |
| Tanner Houck | SP | 9.00 ERA |
| Eduardo Rivera | SP | 6.30 ERA |
| Patrick Sandoval | SP | 5.12 ERA |
| Ranger Suarez | SP | 3.22 ERA |
| Payton Tolle | SP | 3.03 ERA |
| Tsung-Che Cheng | SS | .256 AVG |
| Andruw Monasterio | SS | 67.50 ERA |
| Trevor Story | SS | .235 AVG |
See the Full Analysis
Key Suspects, player props, DFS rankings, and matchup intelligence for Greg Weissert and every MLB game — available in the BlowOutAlert workspace.