MLB Pitch Quality Calculations
QOPA™ Search Form
Legend of Pitch Types
| CH | Change Up | CU | Curveball |
| FC | Cutter Fastball | FF | Four Seam Fastball |
| FS | Split Finger Fastball | FT | Two Seam Fastball |
| KC | Knuckle Curve | KN | Knuckleball |
| SI | Sinker | SL | Slider |
| FB | Fastball = {FC, FF, FS, FT, SI} | OS | Off Speed = {CH, CU, KC, KN, SL} |
US Patent No. 10,737,167 B2
Abbreviations
| QOPA™ | Quality of Pitch Average | L.Break | Lateness of Break |
| QOPV™ | Quality of Pitch Value | H.Break | Horizontal Break |
| NP | Number of Pitches | V.Break | Vertical Break |
QOPA™ Scale 
2024 Season
| PitcherID | Name | QOPA™ | NP | CH_ QOPA |
CH_ NP |
CU_ QOPA |
CU_ NP |
FC_ QOPA |
FC_ NP |
FF_ QOPA |
FF_ NP |
FS_ QOPA |
FS_ NP |
FT_ QOPA |
FT_ NP |
KC_ QOPA |
KC_ NP |
KN_ QOPA |
KN_ NP |
SI_ QOPA |
SI_ NP |
SL_ QOPA |
SL_ NP |
|---|
| Pitch Types | NP | QOPA | QOPA% | Rise% | L.Break% | H.Break% | V.Break% | Location% | Velocity% |
|---|
| Year | NP | QOPA | QOPA% | Rise% | L.Break% | H.Break% | V.Break% | Location% | Velocity% |
|---|
| Year | QOPA | NP | CH_ QOPA |
CH_ NP |
CU_ QOPA |
CU_ NP |
FC_ QOPA |
FC_ NP |
FF_ QOPA |
FF_ NP |
FS_ QOPA |
FS_ NP |
FT_ QOPA |
FT_ NP |
KC_ QOPA |
KC_ NP |
KN_ QOPA |
KN_ NP |
SI_ QOPA |
SI_ NP |
SL_ QOPA |
SL_ NP |
|---|
| PitcherID | Name | QOPA | NP | Total NP |
|---|
| PitcherID | Name | QOPV | NP | Pitch Type |
|---|
| PitcherID | Name | NP | Total NP | QOPA | QOPA% | Rise% | L.Break% | H.Break% | V.Break% | Location% | Velocity% |
|---|