The Texas Rangers will travel to Seattle for a September 10, 2026 matchup against the Mariners at T‑Mobile Park. The game is part of a two‑game series that began on September 9, when the Mariners defeated the Rangers 3‑2.

Key pitching match‑up The Rangers’ starting pitcher for the game is Jacob de Grom. According to the New York Post betting article, de Grom has allowed two runs in his last 13 innings. De Grom signed a five‑year contract with the Rangers in 2023 and was an All‑Star in 2025. He has a career earned run average that is the second lowest among starting pitchers in the live‑ball era.

Seattle’s starter is Logan Gilbert. The same article notes that Gilbert has given up 10 runs in his last 9 ⅔ innings. Gilbert made his MLB debut in 2021 and was an All‑Star in 2024.

Betting context The New York Post betting preview lists the Rangers at +110 odds at Fanatics Sportsbook. The over/under for the game is set at 6.5 runs, with the over at –122 and the under at +100. A separate FanDuel research page confirms the over/under and notes that the Mariners’ home record in the relevant sample is 10‑8.

Recent performance The Rangers have posted a 2‑run allowance in their recent outings, while the Mariners’ Gilbert has struggled, surrendering 10 runs in the last 9 ⅔ innings. The Mariners’ 10‑8 home record suggests they have been competitive at T‑Mobile Park.

Team context Both teams are members of the American League West. The Rangers have been in a playoff chase this season, while the Mariners are also vying for a postseason berth. The series is a continuation of the AL West rivalry that has been a fixture of the league since both franchises joined the American League.

Historical notes The Rangers were established as a Major League Baseball franchise in 1972 and have played at Globe Life Field since 2020. The Mariners joined the league in 1977 and have played at T‑Mobile Park since 1999. Neither team has appeared in a World Series.

Implications The outcome of the September 10 game will affect both teams’ standings in the AL West. A Rangers win could narrow the gap to the division leader, while a Mariners victory would keep the team in contention for a playoff spot.

No additional quotes or statements from players, coaches, or front‑office personnel are available in the sources. The article relies solely on confirmed data from the New York Post betting preview, FanDuel research, and Wikipedia entries for the teams and key players.

Conclusion The Rangers and Mariners will meet on September 10 at T‑Mobile Park. Jacob de Grom will start for Texas, while Logan Gilbert will take the mound for Seattle. Betting lines favor the Rangers at +110, with an over/under of 6.5 runs. The game’s result will influence both teams’ positions in the AL West standings as the season progresses.