Brandon Brennan
Brandon Sean Michael Brennan
Born: July 26, 1991
Mission Viejo, CA US
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 6'4"
Weight: 220
Draft: Round 40 (2010 June Amateur Draft, Colorado Rockies)
Draft: Round 4 (2012 June Amateur Draft, Chicago White Sox)
Draft: Round 1 (2018 Rule V Draft, Seattle Mariners)
School: Capistrano Valley (CA) HS
Orange Coast CC
Career: 2012-2025
Major League Statistics
Brandon Brennan compiled a career record of 31 wins and 43 losses, with 17 saves, and a 4.77 ERA in his 258-game pitching career with the Great Falls Voyagers, Kannapolis Intimidators, Winston-Salem Dash, Glendale Desert Dogs, Birmingham Barons , Charlotte Knights, Mariners, Tacoma Rainiers, Worcester Red Sox, Dos Laredos Tecolotes and Gwinnett Stripers. He began playing during the 2012 season and last took the field during the 2025 campaign.
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | R | PION | Great Falls Voyagers | 3 | 2 | .600 | 4.34 | 14 | 7 | 0 | 0 | 0 | 0 | 37.3 | 44 | 27 | 18 | 2 | 16 | 0 | 31 | 2 | 1 | 5 | 169 |
| 2013 | A | SALL3 | Kannapolis Intimidators | 4 | 9 | .308 | 5.53 | 15 | 15 | 0 | 0 | 0 | 0 | 81.3 | 99 | 66 | 50 | 7 | 27 | 0 | 54 | 3 | 1 | 8 | 368 |
| 2014 | A | SALL3 | Kannapolis Intimidators | 2 | 0 | 1.000 | 2.55 | 3 | 3 | 0 | 0 | 0 | 0 | 17.7 | 11 | 5 | 5 | 0 | 6 | 0 | 15 | 0 | 0 | 0 | 70 |
| 2014 | R | PION | Great Falls Voyagers | 1 | 1 | .500 | 3.20 | 5 | 5 | 0 | 0 | 0 | 0 | 19.7 | 17 | 8 | 7 | 2 | 7 | 0 | 12 | 2 | 0 | 3 | 79 |
| 2014 | Advanced A | CARL | Winston-Salem Dash | 2 | 0 | 1.000 | 2.93 | 6 | 6 | 0 | 0 | 0 | 0 | 30.7 | 32 | 11 | 10 | 1 | 12 | 0 | 22 | 1 | 0 | 1 | 127 |
| 2015 | Advanced A | CARL | Winston-Salem Dash | 3 | 4 | .429 | 3.55 | 12 | 12 | 0 | 0 | 0 | 0 | 58.3 | 55 | 29 | 23 | 2 | 24 | 0 | 39 | 0 | 2 | 8 | 248 |
| 2015 | Fall | AZFL | Glendale Desert Dogs | 0 | 1 | .000 | 3.00 | 6 | 5 | 0 | 0 | 0 | 0 | 18.0 | 20 | 9 | 6 | 1 | 6 | 0 | 13 | 0 | 0 | 3 | 78 |
| 2016 | AA | SOUL | Birmingham Barons | 2 | 8 | .200 | 8.09 | 24 | 8 | 3 | 0 | 0 | 0 | 65.7 | 90 | 63 | 59 | 5 | 29 | 0 | 54 | 4 | 0 | 6 | 309 |
| 2016 | Advanced A | CARL | Winston-Salem Dash | 1 | 4 | .200 | 4.54 | 7 | 7 | 0 | 2 | 1 | 0 | 37.7 | 44 | 19 | 19 | 1 | 11 | 0 | 24 | 1 | 0 | 3 | 160 |
| 2017 | AAA | IL | Charlotte Knights | 0 | 0 | 3.06 | 14 | 0 | 11 | 0 | 0 | 6 | 17.7 | 16 | 6 | 6 | 0 | 9 | 0 | 16 | 1 | 0 | 2 | 74 | |
| 2017 | AA | SOUL | Birmingham Barons | 2 | 2 | .500 | 5.36 | 28 | 0 | 19 | 0 | 0 | 9 | 42.0 | 47 | 28 | 25 | 1 | 20 | 6 | 39 | 2 | 0 | 9 | 189 |
| 2018 | AA | SOUL | Birmingham Barons | 4 | 3 | .571 | 3.10 | 40 | 1 | 14 | 0 | 0 | 1 | 69.7 | 54 | 28 | 24 | 4 | 21 | 0 | 70 | 2 | 0 | 9 | 285 |
| 2018 | AAA | IL | Charlotte Knights | 1 | 1 | .500 | 5.40 | 4 | 0 | 2 | 0 | 0 | 0 | 5.0 | 3 | 3 | 3 | 0 | 3 | 0 | 9 | 0 | 0 | 1 | 20 |
| 2019 | AAA | PCL | Tacoma Rainiers | 1 | 0 | 1.000 | 1.04 | 9 | 0 | 0 | 0 | 0 | 0 | 8.7 | 5 | 1 | 1 | 1 | 4 | 0 | 10 | 1 | 0 | 0 | 32 |
| 2019 | R | ARIZ | Mariners | 0 | 1 | .000 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 1.0 | 1 | 3 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 2 | 6 |
| 2021 | AAA | AAAE | Worcester Red Sox | 1 | 2 | .333 | 5.97 | 32 | 0 | 6 | 0 | 0 | 1 | 37.7 | 44 | 28 | 25 | 3 | 15 | 0 | 37 | 5 | 0 | 0 | 173 |
| 2022 | Ind | MEX | Dos Laredos Tecolotes | 2 | 0 | 1.000 | 0.00 | 3 | 2 | 0 | 0 | 0 | 0 | 10.0 | 4 | 1 | 0 | 0 | 2 | 0 | 7 | 0 | 0 | 0 | 37 |
| 2022 | AAA | IL | Gwinnett Stripers | 1 | 1 | .500 | 6.91 | 24 | 0 | 3 | 0 | 0 | 0 | 27.3 | 40 | 23 | 21 | 5 | 17 | 0 | 33 | 1 | 0 | 1 | 140 |
| 2023 | Ind | MEX | Dos Laredos Tecolotes | 11 | 4 | .733 | 3.69 | 19 | 19 | 0 | 1 | 0 | 0 | 97.7 | 105 | 45 | 40 | 10 | 32 | 0 | 59 | 2 | 0 | 5 | 417 |
| 2025 | Ind | MEX | Dos Laredos Tecolotes | 1 | 4 | .200 | 6.64 | 11 | 10 | 0 | 0 | 0 | 0 | 40.7 | 52 | 33 | 30 | 8 | 27 | 0 | 22 | 3 | 1 | 5 | 195 |
| Totals | 31 | 43 | .419 | 4.77 | 258 | 82 | 58 | 2 | 1 | 17 | 626.0 | 678 | 391 | 332 | 43 | 257 | 6 | 510 | 28 | 5 | 66 | 2759 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | R | PION | Great Falls Voyagers | P | 14 | 6 | 7 | 1 | 0 | .929 | .929 |
| 2013 | A | SALL3 | Kannapolis Intimidators | P | 15 | 4 | 13 | 3 | 1 | .850 | 1.133 |
| 2014 | Advanced A | CARL | Winston-Salem Dash | P | 6 | 1 | 2 | 0 | 0 | 1.000 | .500 |
| 2014 | R | PION | Great Falls Voyagers | P | 5 | 0 | 2 | 1 | 0 | .667 | .400 |
| 2014 | A | SALL3 | Kannapolis Intimidators | P | 3 | 1 | 3 | 1 | 0 | .800 | 1.333 |
| 2015 | Fall | AZFL | Glendale Desert Dogs | P | 6 | 1 | 3 | 0 | 0 | 1.000 | .667 |
| 2015 | Advanced A | CARL | Winston-Salem Dash | P | 12 | 3 | 8 | 0 | 0 | 1.000 | .917 |
| 2016 | Advanced A | CARL | Winston-Salem Dash | P | 7 | 1 | 5 | 0 | 0 | 1.000 | .857 |
| 2016 | AA | SOUL | Birmingham Barons | P | 24 | 5 | 10 | 1 | 2 | .938 | .625 |
| 2017 | AA | SOUL | Birmingham Barons | P | 28 | 1 | 4 | 1 | 0 | .833 | .179 |
| 2017 | AAA | IL | Charlotte Knights | P | 14 | 1 | 4 | 0 | 0 | 1.000 | .357 |
| 2018 | AA | SOUL | Birmingham Barons | P | 40 | 2 | 10 | 2 | 0 | .857 | .300 |
| 2018 | AAA | IL | Charlotte Knights | P | 4 | 0 | 0 | 0 | 0 | .000 | |
| 2019 | AAA | PCL | Tacoma Rainiers | P | 9 | 1 | 1 | 0 | 0 | 1.000 | .222 |
| 2019 | R | ARIZ | Mariners | P | 1 | 0 | 0 | 0 | 0 | .000 | |
| 2021 | AAA | AAAE | Worcester Red Sox | P | 32 | 0 | 2 | 2 | 0 | .500 | .062 |
| 2022 | Ind | MEX | Dos Laredos Tecolotes | P | 3 | 0 | 2 | 0 | 0 | 1.000 | .667 |
| 2022 | AAA | IL | Gwinnett Stripers | P | 24 | 2 | 1 | 0 | 0 | 1.000 | .125 |
| 2023 | Ind | MEX | Dos Laredos Tecolotes | P | 19 | 6 | 21 | 3 | 1 | .900 | 1.421 |
| 2025 | Ind | MEX | Dos Laredos Tecolotes | P | 11 | 5 | 5 | 2 | 1 | .833 | .909 |
| Totals | 231 | 32 | 79 | 14 | 4 | .888 | .481 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2012 | R | Pioneer League | Great Falls Voyagers | CHA | June 29, 2012 | September 3, 2012 |
| 2013 | A | South Atlantic League | Kannapolis Intimidators | CHA | April 6, 2013 | June 26, 2013 |
| 2014 | R | Pioneer League | Great Falls Voyagers | CHA | June 20, 2014 | July 11, 2014 |
| 2014 | A | South Atlantic League | Kannapolis Intimidators | CHA | July 16, 2014 | July 28, 2014 |
| 2014 | Advanced A | Carolina League | Winston-Salem Dash | CHA | August 2, 2014 | August 30, 2014 |
| 2015 | Advanced A | Carolina League | Winston-Salem Dash | CHA | June 15, 2015 | September 4, 2015 |
| 2015 | Fall | Arizona Fall League | Glendale Desert Dogs | October 15, 2015 | November 14, 2015 | |
| 2016 | AA | Southern League | Birmingham Barons | CHA | April 11, 2016 | September 3, 2016 |
| 2016 | Advanced A | Carolina League | Winston-Salem Dash | CHA | May 4, 2016 | June 6, 2016 |
| 2017 | AA | Southern League | Birmingham Barons | CHA | April 6, 2017 | July 16, 2017 |
| 2017 | AAA | International League | Charlotte Knights | CHA | July 20, 2017 | September 3, 2017 |
| 2018 | AA | Southern League | Birmingham Barons | CHA | April 5, 2018 | August 22, 2018 |
| 2018 | AAA | International League | Charlotte Knights | CHA | August 25, 2018 | September 1, 2018 |
| 2019 | R | Arizona League | Mariners | SEA | July 12, 2019 | July 12, 2019 |
| 2019 | AAA | Pacific Coast League | Tacoma Rainiers | SEA | July 15, 2019 | August 29, 2019 |
| 2021 | AAA | AAA East | Worcester Red Sox | BOS | May 12, 2021 | September 11, 2021 |
| 2022 | AAA | International League | Gwinnett Stripers | ATL | April 6, 2022 | July 3, 2022 |
| 2022 | Ind | Mexican League | Dos Laredos Tecolotes | July 19, 2022 | August 2, 2022 | |
| 2023 | Ind | Mexican League | Dos Laredos Tecolotes | April 25, 2023 | August 5, 2023 | |
| 2025 | Ind | Mexican League | Dos Laredos Tecolotes | April 23, 2025 | August 7, 2025 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.











