Billy Sullivan
William Donald Sullivan
Born: April 16, 1999
New Castle, DE US
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 6'2"
Weight: 180
Draft: Round 28 (2017 June Amateur Draft, Philadelphia Phillies)
School: St. Marks (DE) HS
Career: 2021-2025
Billy Sullivan compiled a career record of 17 wins and 8 losses and a 5.02 ERA in his 161-game pitching career with the Jersey Shore BlueClaws, Reading Fightin Phils, Las Vegas Aviators, Giants, San Jose Giants and Lancaster Stormers. He began playing during the 2021 season and last took the field during the 2025 campaign.
 Jersey Shore BlueClaws |
 Reading Fightin Phils |
 Reading Fightin Phils |
 Las Vegas Aviators |
 San Jose Giants |
 Lancaster Stormers |
Click on column headings to sort.
Pitching:
| Year | Level | Lg | Team | W | L | W% | ERA | G | GS | GF | CG | SHO | SV | IP | H | R | ER | HR | BB | IBB | SO | HBP | BK | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | Advanced A | HAEA | Jersey Shore BlueClaws | 0 | 0 | 1.59 | 5 | 0 | 3 | 0 | 0 | 0 | 5.7 | 1 | 1 | 1 | 1 | 3 | 0 | 8 | 0 | 0 | 0 | 20 | |
| 2021 | AA | AANE | Reading Fightin Phils | 1 | 1 | .500 | 3.00 | 15 | 0 | 5 | 0 | 0 | 2 | 18.0 | 12 | 8 | 6 | 0 | 10 | 0 | 27 | 6 | 0 | 4 | 79 |
| 2022 | AA | EL | Reading Fightin Phils | 5 | 1 | .833 | 4.59 | 44 | 2 | 13 | 0 | 0 | 2 | 51.0 | 50 | 29 | 26 | 5 | 36 | 0 | 77 | 3 | 3 | 9 | 240 |
| 2023 | AAA | PCL | Las Vegas Aviators | 8 | 2 | .800 | 5.34 | 48 | 0 | 11 | 0 | 0 | 2 | 57.3 | 49 | 40 | 34 | 1 | 52 | 0 | 54 | 7 | 1 | 3 | 272 |
| 2024 | R | AZCL | Giants | 0 | 1 | .000 | 18.69 | 5 | 0 | 0 | 0 | 0 | 0 | 4.3 | 8 | 10 | 9 | 0 | 4 | 0 | 9 | 3 | 0 | 5 | 28 |
| 2024 | AAA | PCL | Las Vegas Aviators | 0 | 0 | 11.81 | 6 | 0 | 2 | 0 | 0 | 1 | 5.3 | 6 | 13 | 7 | 0 | 10 | 0 | 4 | 3 | 0 | 3 | 36 | |
| 2024 | A | CALL | San Jose Giants | 1 | 1 | .500 | 6.23 | 4 | 0 | 3 | 0 | 0 | 0 | 4.3 | 3 | 3 | 3 | 1 | 4 | 0 | 2 | 1 | 0 | 2 | 21 |
| 2025 | Ind | ATLL | Lancaster Stormers | 2 | 2 | .500 | 3.78 | 34 | 0 | 5 | 0 | 0 | 1 | 33.3 | 27 | 17 | 14 | 2 | 20 | 0 | 46 | 2 | 0 | 7 | 147 |
| Totals | 17 | 8 | .680 | 5.02 | 161 | 2 | 42 | 0 | 0 | 8 | 179.3 | 156 | 121 | 100 | 10 | 139 | 0 | 227 | 25 | 4 | 33 | 843 |
Batting:
| Year | Level | Lg | Team | GP | PA | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | BA | OBP | SLG | OPS | TB | DP | HBP | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | AA | AANE | Reading Fightin Phils | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 | .000 | 0 | 0 | 0 | 0 | 0 | 0 |
| Totals | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 | .000 | .000 | .000 | 0 | 0 | 0 | 0 | 0 | 0 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | Advanced A | HAEA | Jersey Shore BlueClaws | P | 5 | 0 | 0 | 0 | 0 | .000 | |
| 2021 | AA | AANE | Reading Fightin Phils | P | 15 | 1 | 2 | 0 | 0 | 1.000 | .200 |
| 2022 | AA | EL | Reading Fightin Phils | P | 44 | 0 | 3 | 1 | 0 | .750 | .068 |
| 2023 | AAA | PCL | Las Vegas Aviators | P | 48 | 2 | 10 | 3 | 0 | .800 | .250 |
| 2024 | AAA | PCL | Las Vegas Aviators | P | 6 | 0 | 1 | 0 | 0 | 1.000 | .167 |
| 2024 | R | AZCL | Giants | P | 5 | 0 | 1 | 0 | 0 | 1.000 | .200 |
| 2024 | A | CALL | San Jose Giants | P | 4 | 1 | 0 | 0 | 0 | 1.000 | .250 |
| 2025 | Ind | ATLL | Lancaster Stormers | P | 34 | 0 | 1 | 2 | 0 | .333 | .029 |
| Totals | 117 | 4 | 15 | 5 | 0 | .792 | .162 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2021 | Advanced A | High-A East | Jersey Shore BlueClaws | PHI | May 6, 2021 | May 18, 2021 |
| 2021 | AA | AA Northeast | Reading Fightin Phils | PHI | May 21, 2021 | August 6, 2021 |
| 2022 | AA | Eastern League | Reading Fightin Phils | PHI | April 9, 2022 | September 18, 2022 |
| 2023 | AAA | Pacific Coast League | Las Vegas Aviators | OAK | April 2, 2023 | September 24, 2023 |
| 2024 | AAA | Pacific Coast League | Las Vegas Aviators | OAK | March 31, 2024 | April 16, 2024 |
| 2024 | R | Arizona Complex League | Giants | SFN | May 23, 2024 | June 25, 2024 |
| 2024 | A | California League | San Jose Giants | SFN | July 2, 2024 | July 21, 2024 |
| 2025 | Ind | Atlantic League | Lancaster Stormers | May 30, 2025 | September 16, 2025 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.
