| Personal information | |||
|---|---|---|---|
| Date of birth | March 15, 1997 | ||
| Place of birth | Brownsville, Texas, United States | ||
| Height | 5 ft 8 in (1.73 m) | ||
| Position | Midfielder | ||
| Team information | |||
Current team | Union Omaha | ||
| Number | 30 | ||
| College career | |||
| Years | Team | Apps | (Gls) |
| 2015–2018 | UT Rio Grande Valley Vaqueros | 70 | (9) |
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 2018 | South Georgia Tormenta | 12 | (0) |
| 2019–2020 | Rio Grande Valley | 48 | (1) |
| 2021 | New Mexico United | 30 | (1) |
| 2022 | Rio Grande Valley | 33 | (0) |
| 2023 | Forward Madison FC | 26 | (1) |
| 2024 | Northern Colorado Hailstorm | 20 | (1) |
| 2025– | Union Omaha | 25 | (1) |
| * Club domestic league appearances and goals as of October 31, 2025 | |||
Isidro "Chelo" Martinez (born March 15, 1997) is an American soccer player who plays as a midfielder for USL League One club Union Omaha.
Martinez attended Simon Rivera High School in Brownsville, Texas. His senior year he led the Raiders to an undefeated 28-0-0 record on their way to the UIL 6A Texas state championship. In the championship match, Martinez scored the opening goal as the Rivera Raiders won 2–1. At the end of the season, Martinez was named the 2015 USA Today Gatorade Texas Boys Soccer Player of the Year.
Martinez played four years of college soccer at the University of Texas Rio Grande Valley between 2015 and 2018, making 70 appearances, scoring 9 goals and tallying 13 assists.
While at college, Martinez appeared for USL Premier Development League side South Georgia Tormenta in 2018.
On March 8, 2019, Martinez signed for USL Championship side Rio Grande Valley.
On January 4, 2021, Martinez joined USL Championship side New Mexico United.
Martinez returned to Rio Grande Valley FC on February 4, 2022.
Martinez signed with Forward Madison FC of USL League One prior to the 2023 season.
On February 22, 2024, Martinez signed with USL League One side Northern Colorado Hailstorm ahead of their 2024 season.
Martinez joined USL League One side Union Omaha on March 6, 2025.
| Club | Season | League | Domestic Cup | League Cup | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Division | Apps | Goals | Apps | Goals | Apps | Goals | Apps | Goals | ||
| South Georgia Tormenta FC | 2018 | USL PDL | 12 | 0 | 1 | 0 | 0 | 0 | 13 | 0 |
| Rio Grande Valley FC Toros | 2019 | USL Championship | 34 | 1 | — | — | 31 | 1 | ||
| 2020 | 14 | 0 | — | — | 14 | 0 | ||||
| Total | 48 | 1 | — | — | 48 | 1 | ||||
| New Mexico United | 2021 | USL Championship | 30 | 1 | — | — | 30 | 1 | ||
| Rio Grande Valley FC Toros | 2022 | 31 | 0 | 2 | 0 | 0 | 0 | 33 | 0 | |
| Career total | 90 | 2 | 1 | 0 | 0 | 0 | 91 | 2 | ||