Robert Gsellman
Robert John Gsellman
Born: July 18, 1993
Santa Monica, CA US
Primary Position: Pitcher
Bats: Right
Throws: Right
Height: 6'4"
Weight: 205
Draft: Round 13 (2011 June Amateur Draft, New York Mets)
School: Westchester (CA) HS
Career: 2011-2025
Major League Statistics
Robert Gsellman compiled a career record of 41 wins and 41 losses and a 3.63 ERA in his 179-game pitching career with the Mets, Kingsport Mets, Brooklyn Cyclones, Savannah Sand Gnats, St. Lucie Mets, Binghamton Mets, Las Vegas 51s, Binghamton Rumble Ponies, Syracuse Mets, Iowa Cubs, Yokohama Bay Stars, Rochester Red Wings and Lake Country DockHounds. He began playing during the 2011 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | R | GULF | Mets | 0 | 0 | 4.15 | 7 | 1 | 1 | 0 | 0 | 1 | 13.0 | 15 | 6 | 6 | 1 | 2 | 0 | 8 | 1 | 0 | 1 | 57 | |
| 2012 | R | APPY | Kingsport Mets | 1 | 3 | .250 | 3.92 | 11 | 5 | 5 | 0 | 0 | 0 | 43.7 | 42 | 27 | 19 | 3 | 18 | 0 | 33 | 5 | 0 | 2 | 194 |
| 2013 | Advanced A | FLOR | St. Lucie Mets | 1 | 0 | 1.000 | 3.00 | 2 | 2 | 0 | 0 | 0 | 0 | 9.0 | 5 | 3 | 3 | 1 | 5 | 0 | 5 | 0 | 0 | 0 | 38 |
| 2013 | A | SALL3 | Savannah Sand Gnats | 2 | 3 | .400 | 3.72 | 5 | 5 | 0 | 0 | 0 | 0 | 29.0 | 35 | 17 | 12 | 2 | 6 | 0 | 14 | 1 | 0 | 0 | 122 |
| 2013 | Short Season A | NYPL | Brooklyn Cyclones | 3 | 3 | .500 | 2.06 | 12 | 12 | 0 | 0 | 0 | 0 | 70.0 | 59 | 23 | 16 | 2 | 12 | 0 | 64 | 6 | 0 | 3 | 288 |
| 2014 | A | SALL3 | Savannah Sand Gnats | 10 | 6 | .625 | 2.55 | 20 | 20 | 0 | 4 | 1 | 0 | 116.3 | 122 | 42 | 33 | 2 | 34 | 0 | 92 | 9 | 0 | 6 | 500 |
| 2015 | Advanced A | FLOR | St. Lucie Mets | 6 | 0 | 1.000 | 1.76 | 8 | 8 | 0 | 0 | 0 | 0 | 51.0 | 37 | 10 | 10 | 1 | 11 | 0 | 37 | 3 | 1 | 2 | 196 |
| 2015 | AA | EL | Binghamton Mets | 7 | 7 | .500 | 3.51 | 16 | 16 | 0 | 0 | 0 | 0 | 92.3 | 89 | 47 | 36 | 4 | 26 | 1 | 49 | 1 | 0 | 6 | 387 |
| 2016 | AA | EL | Binghamton Mets | 3 | 4 | .429 | 2.71 | 11 | 11 | 0 | 0 | 0 | 0 | 66.3 | 57 | 23 | 20 | 2 | 15 | 0 | 48 | 6 | 0 | 3 | 266 |
| 2016 | AAA | PCL | Las Vegas 51s | 1 | 5 | .167 | 5.73 | 9 | 9 | 0 | 0 | 0 | 0 | 48.7 | 56 | 35 | 31 | 8 | 16 | 0 | 40 | 0 | 0 | 1 | 215 |
| 2017 | AA | EL | Binghamton Rumble Ponies | 1 | 0 | 1.000 | 2.92 | 4 | 4 | 0 | 0 | 0 | 0 | 12.3 | 15 | 7 | 4 | 0 | 5 | 0 | 9 | 0 | 0 | 1 | 55 |
| 2017 | AAA | PCL | Las Vegas 51s | 0 | 0 | 7.50 | 1 | 1 | 0 | 0 | 0 | 0 | 6.0 | 10 | 7 | 5 | 1 | 3 | 0 | 3 | 0 | 0 | 0 | 30 | |
| 2021 | A | LASE | St. Lucie Mets | 0 | 0 | 21.60 | 2 | 2 | 0 | 0 | 0 | 0 | 1.7 | 4 | 4 | 4 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 10 | |
| 2021 | AAA | AAAE | Syracuse Mets | 1 | 1 | .500 | 5.79 | 4 | 0 | 0 | 0 | 0 | 0 | 4.7 | 6 | 3 | 3 | 0 | 2 | 0 | 3 | 1 | 0 | 0 | 23 |
| 2022 | AAA | IL | Iowa Cubs | 1 | 4 | .200 | 6.21 | 10 | 9 | 0 | 0 | 0 | 0 | 29.0 | 29 | 22 | 20 | 3 | 11 | 0 | 22 | 3 | 0 | 1 | 127 |
| 2022 | Foreign Major | JPCL | Yokohama Bay Stars | 1 | 1 | .500 | 2.66 | 4 | 0 | 0 | 0 | 20.3 | 15 | 6 | 6 | 1 | 6 | 0 | 12 | 2 | 0 | 0 | 81 | ||
| 2023 | Foreign Major | JPCL | Yokohama Bay Stars | 3 | 5 | .375 | 4.45 | 13 | 0 | 0 | 0 | 64.7 | 72 | 35 | 32 | 6 | 33 | 0 | 43 | 4 | 0 | 1 | 292 | ||
| 2024 | AAA | IL | Rochester Red Wings | 0 | 2 | .000 | 8.75 | 17 | 4 | 2 | 0 | 0 | 0 | 36.0 | 45 | 36 | 35 | 4 | 19 | 0 | 34 | 2 | 0 | 4 | 169 |
| 2025 | Ind | AA | Lake Country DockHounds | 3 | 2 | .600 | 3.38 | 36 | 0 | 15 | 0 | 0 | 8 | 40.0 | 38 | 15 | 15 | 2 | 9 | 2 | 40 | 0 | 0 | 4 | 159 |
| Totals | 41 | 41 | .500 | 3.63 | 179 | 109 | 23 | 4 | 1 | 9 | 689.3 | 679 | 333 | 278 | 37 | 201 | 3 | 515 | 40 | 1 | 34 | 2917 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 | AA | EL | Binghamton Mets | 16 | 16 | 14 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 4 | .143 | .200 | .143 | .343 | 2 | 0 | 0 | 1 | 0 | 0 |
| 2016 | AAA | PCL | Las Vegas 51s | 9 | 7 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | .000 | .000 | .000 | .000 | 0 | 0 | 0 | 1 | 0 | 0 |
| 2016 | AA | EL | Binghamton Mets | 11 | 5 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .200 | .200 | .200 | .400 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2017 | AAA | PCL | Las Vegas 51s | 1 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2017 | AA | EL | Binghamton Rumble Ponies | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||||
| 2022 | Foreign Major | JPCL | Yokohama Bay Stars | 4 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | .000 | .000 | .000 | .000 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2023 | Foreign Major | JPCL | Yokohama Bay Stars | 13 | 19 | 13 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 4 | 3 | .154 | .353 | .308 | .661 | 4 | 0 | 0 | 2 | 0 | 0 |
| Totals | 45 | 37 | 33 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 14 | .091 | .118 | .091 | .209 | 3 | 0 | 0 | 3 | 0 | 0 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011 | R | GULF | Mets | P | 7 | 1 | 2 | 1 | 0 | .750 | .429 |
| 2012 | R | APPY | Kingsport Mets | P | 11 | 4 | 8 | 0 | 1 | 1.000 | 1.091 |
| 2013 | A | SALL3 | Savannah Sand Gnats | P | 5 | 2 | 9 | 1 | 1 | .917 | 2.200 |
| 2013 | Advanced A | FLOR | St. Lucie Mets | P | 2 | 2 | 1 | 0 | 0 | 1.000 | 1.500 |
| 2013 | Short Season A | NYPL | Brooklyn Cyclones | P | 12 | 8 | 5 | 0 | 0 | 1.000 | 1.083 |
| 2014 | A | SALL3 | Savannah Sand Gnats | P | 20 | 5 | 16 | 3 | 1 | .875 | 1.050 |
| 2015 | Advanced A | FLOR | St. Lucie Mets | P | 8 | 2 | 9 | 0 | 1 | 1.000 | 1.375 |
| 2015 | AA | EL | Binghamton Mets | P | 16 | 4 | 12 | 1 | 0 | .941 | 1.000 |
| 2016 | AAA | PCL | Las Vegas 51s | P | 9 | 4 | 6 | 0 | 1 | 1.000 | 1.111 |
| 2016 | AA | EL | Binghamton Mets | P | 11 | 5 | 13 | 0 | 2 | 1.000 | 1.636 |
| 2017 | AA | EL | Binghamton Rumble Ponies | P | 4 | 0 | 1 | 0 | 0 | 1.000 | .250 |
| 2017 | AAA | PCL | Las Vegas 51s | P | 1 | 1 | 1 | 0 | 0 | 1.000 | 2.000 |
| 2021 | AAA | AAAE | Syracuse Mets | P | 4 | 0 | 1 | 0 | 0 | 1.000 | .250 |
| 2021 | A | LASE | St. Lucie Mets | P | 2 | 0 | 0 | 0 | 0 | .000 | |
| 2022 | Foreign Major | JPCL | Yokohama Bay Stars | P | 4 | 1 | 4 | 0 | 0 | 1.000 | 1.250 |
| 2022 | AAA | IL | Iowa Cubs | P | 10 | 2 | 4 | 0 | 0 | 1.000 | .600 |
| 2023 | Foreign Major | JPCL | Yokohama Bay Stars | P | 13 | 5 | 7 | 0 | 1 | 1.000 | .923 |
| 2024 | AAA | IL | Rochester Red Wings | P | 17 | 2 | 5 | 0 | 0 | 1.000 | .412 |
| 2025 | Ind | AA | Lake Country DockHounds | P | 36 | 1 | 9 | 0 | 0 | 1.000 | .278 |
| Totals | 165 | 41 | 98 | 6 | 7 | .959 | .842 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2011 | R | Gulf Coast League | Mets | NYN | July 18, 2011 | August 23, 2011 |
| 2012 | R | Appalachian League | Kingsport Mets | NYN | June 24, 2012 | August 27, 2012 |
| 2013 | Advanced A | Florida State League | St. Lucie Mets | NYN | April 29, 2013 | May 4, 2013 |
| 2013 | A | South Atlantic League | Savannah Sand Gnats | NYN | May 11, 2013 | June 5, 2013 |
| 2013 | Short Season A | New York-Pennsylvania League | Brooklyn Cyclones | NYN | June 17, 2013 | August 30, 2013 |
| 2014 | A | South Atlantic League | Savannah Sand Gnats | NYN | April 3, 2014 | August 28, 2014 |
| 2015 | Advanced A | Florida State League | St. Lucie Mets | NYN | April 9, 2015 | May 24, 2015 |
| 2015 | AA | Eastern League | Binghamton Mets | NYN | May 30, 2015 | September 4, 2015 |
| 2016 | AA | Eastern League | Binghamton Mets | NYN | April 8, 2016 | June 5, 2016 |
| 2016 | AAA | Pacific Coast League | Las Vegas 51s | NYN | June 11, 2016 | August 17, 2016 |
| 2017 | AA | Eastern League | Binghamton Rumble Ponies | NYN | July 27, 2017 | August 11, 2017 |
| 2017 | AAA | Pacific Coast League | Las Vegas 51s | NYN | August 31, 2017 | August 31, 2017 |
| 2021 | A | Low-A Southeast | St. Lucie Mets | NYN | September 5, 2021 | September 8, 2021 |
| 2021 | AAA | AAA East | Syracuse Mets | NYN | September 19, 2021 | September 29, 2021 |
| 2022 | Foreign Major | Japan Central League | Yokohama Bay Stars | |||
| 2022 | AAA | International League | Iowa Cubs | CHN | April 8, 2022 | June 29, 2022 |
| 2023 | Foreign Major | Japan Central League | Yokohama Bay Stars | |||
| 2024 | AAA | International League | Rochester Red Wings | WAS | March 29, 2024 | June 18, 2024 |
| 2025 | Ind | American Association | Lake Country DockHounds | May 14, 2025 | August 31, 2025 |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.













