Ryan Zeferjahn
Ryan Joseph Zeferjahn
Born: February 28, 1998
Topeka, KS US
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 6'5"
Weight: 225
Draft: Round 37 (2016 June Amateur Draft, Tampa Bay Rays)
Draft: Round 3 (2019 June Amateur Draft, Boston Red Sox)
School: Seaman HS
Kansas
Career: 2019-2024
Major League Statistics
Ryan Zeferjahn has compiled a career record of 8 wins and 18 losses, with 10 saves, and a 4.82 ERA in his 137-game pitching career with the Lowell Spinners, Salem Red Sox, Red Sox, Greenville Drive, Scottsdale Scorpions, Portland Sea Dogs, Salt Lake Bees and Worcester Red Sox. He began playing during the 2019 season and has taken the field during the 2024 campaign.
 Lowell Spinners |
 Salem Red Sox |
 Red Sox |
 Greenville Drive |
 Scottsdale Scorpions |
 Portland Sea Dogs |
 Salt Lake Bees |
 Worcester Red Sox |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | Short Season A | NYPL | Lowell Spinners | 0 | 2 | .000 | 4.50 | 12 | 12 | 0 | 0 | 0 | 0 | 22.0 | 24 | 12 | 11 | 2 | 12 | 0 | 31 | 3 | 0 | 2 | 101 |
| 2021 | R | FLCL | Red Sox | 0 | 0 | 3.21 | 4 | 4 | 0 | 0 | 0 | 0 | 14.0 | 12 | 6 | 5 | 2 | 3 | 0 | 18 | 1 | 0 | 2 | 56 | |
| 2021 | A | LAEA | Salem Red Sox | 1 | 4 | .200 | 6.91 | 12 | 12 | 0 | 0 | 0 | 0 | 41.7 | 53 | 41 | 32 | 2 | 15 | 0 | 41 | 2 | 0 | 4 | 194 |
| 2022 | Advanced A | SALL3 | Greenville Drive | 2 | 4 | .333 | 5.79 | 28 | 5 | 6 | 0 | 0 | 1 | 60.7 | 58 | 41 | 39 | 6 | 29 | 0 | 73 | 8 | 2 | 10 | 268 |
| 2022 | AA | EL | Portland Sea Dogs | 3 | 0 | 1.000 | 0.84 | 6 | 0 | 0 | 0 | 0 | 0 | 10.7 | 3 | 1 | 1 | 1 | 4 | 0 | 7 | 1 | 0 | 0 | 37 |
| 2022 | Fall | AZFL | Scottsdale Scorpions | 0 | 1 | .000 | 4.80 | 9 | 1 | 0 | 0 | 0 | 0 | 15.0 | 11 | 10 | 8 | 2 | 8 | 0 | 18 | 1 | 0 | 2 | 64 |
| 2023 | A | CARL | Salem Red Sox | 1 | 0 | 1.000 | 0.00 | 2 | 1 | 0 | 0 | 0 | 0 | 3.0 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 12 |
| 2023 | AA | EL | Portland Sea Dogs | 0 | 4 | .000 | 5.02 | 34 | 0 | 11 | 0 | 0 | 2 | 43.0 | 33 | 27 | 24 | 7 | 40 | 0 | 68 | 6 | 0 | 4 | 204 |
| 2024 | AA | EL | Portland Sea Dogs | 1 | 0 | 1.000 | 0.00 | 7 | 0 | 3 | 0 | 0 | 3 | 13.7 | 9 | 2 | 0 | 0 | 3 | 0 | 22 | 0 | 0 | 1 | 54 |
| 2024 | AAA | PCL | Salt Lake Bees | 0 | 0 | 2.35 | 5 | 0 | 2 | 0 | 0 | 0 | 7.7 | 5 | 2 | 2 | 1 | 1 | 0 | 8 | 0 | 0 | 0 | 28 | |
| 2024 | AAA | IL | Worcester Red Sox | 0 | 3 | .000 | 5.47 | 18 | 1 | 12 | 0 | 0 | 4 | 24.7 | 20 | 18 | 15 | 3 | 17 | 1 | 31 | 6 | 1 | 1 | 115 |
| Totals | 8 | 18 | .308 | 4.82 | 137 | 36 | 34 | 0 | 0 | 10 | 256.0 | 231 | 160 | 137 | 26 | 132 | 1 | 319 | 28 | 3 | 26 | 1133 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 | Short Season A | NYPL | Lowell Spinners | P | 12 | 0 | 1 | 0 | 0 | 1.000 | .083 |
| 2021 | A | LAEA | Salem Red Sox | P | 12 | 2 | 4 | 1 | 0 | .857 | .500 |
| 2022 | Fall | AZFL | Scottsdale Scorpions | P | 9 | 2 | 1 | 0 | 0 | 1.000 | .333 |
| 2022 | AA | EL | Portland Sea Dogs | P | 6 | 0 | 1 | 0 | 0 | 1.000 | .167 |
| 2022 | Advanced A | SALL3 | Greenville Drive | P | 28 | 2 | 2 | 0 | 0 | 1.000 | .143 |
| 2023 | AA | EL | Portland Sea Dogs | P | 34 | 2 | 2 | 1 | 0 | .800 | .118 |
| 2023 | A | CARL | Salem Red Sox | P | 2 | 0 | 0 | 0 | 0 | .000 | |
| 2024 | AA | EL | Portland Sea Dogs | P | 7 | 0 | 1 | 0 | 0 | 1.000 | .143 |
| 2024 | AAA | PCL | Salt Lake Bees | P | 5 | 1 | 0 | 0 | 0 | 1.000 | .200 |
| 2024 | AAA | IL | Worcester Red Sox | P | 18 | 0 | 2 | 0 | 1 | 1.000 | .111 |
| Totals | 90 | 5 | 10 | 2 | 1 | .882 | .167 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2019 | Short Season A | New York-Pennsylvania League | Lowell Spinners | BOS | June 30, 2019 | September 1, 2019 |
| 2021 | A | Low-A East | Salem Red Sox | BOS | May 6, 2021 | July 7, 2021 |
| 2021 | R | Florida Complex | Red Sox | BOS | August 31, 2021 | September 17, 2021 |
| 2022 | Advanced A | South Atlantic League | Greenville Drive | BOS | April 13, 2022 | August 27, 2022 |
| 2022 | AA | Eastern League | Portland Sea Dogs | BOS | August 31, 2022 | September 17, 2022 |
| 2022 | Fall | Arizona Fall League | Scottsdale Scorpions | October 5, 2022 | November 9, 2022 | |
| 2023 | A | Carolina League | Salem Red Sox | BOS | May 3, 2023 | May 6, 2023 |
| 2023 | AA | Eastern League | Portland Sea Dogs | BOS | May 11, 2023 | September 13, 2023 |
| 2024 | AA | Eastern League | Portland Sea Dogs | BOS | April 10, 2024 | May 4, 2024 |
| 2024 | AAA | International League | Worcester Red Sox | BOS | May 8, 2024 | July 28, 2024 |
| 2024 | AAA | Pacific Coast League | Salt Lake Bees | LAA | August 2, 2024 | August 18, 2024 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.
