In the 2017 Climax Series, the Hawks defeated the Tohoku Rakuten Golden Eagles to win the Pacific League Championship.

Hawks' pitcher Dennis Sarfate, with two saves and a Game 6 win, was named the Japan Series Most Valuable Player (MVP).

Toshiro Miyazaki won the Fighting Spirit Award, given to the best player on the losing team.

DeNA focused on increasing attendance at Yokohama Stadium and improving the team, hiring Alex Ramírez as their manager in 2016.

[14] Nao Higashihama started for the Hawks, pitching 5+1⁄3 innings, and allowing one run on four hits with six strikeouts.

The Hawks scored three runs in the bottom of the seventh, including a two-RBI single by Akira Nakamura that resulted in a close play at home plate.

Miyazaki hit a solo home run in the fifth inning, followed by a run-scoring sacrifice fly by Toshihiko Kuramoto.

In the seventh inning, Shuto Takajo hit a home run for the BayStars to extend their lead to 3–0.

SoftBank scored in the first inning of Game 5, with a single and stolen base by Imamiya followed by an RBI double by Uchikawa.

SoftBank took a 4–2 lead in the fifth inning with a sacrifice fly by Despaigne and a two-run home run by Nakamura.

Yasuaki Yamasaki, DeNA's closer, entered the game with two baserunners in the eighth inning, but escaped without allowing a run.

The Hawks loaded the bases against Yamasaki in the ninth inning, but he completed the save without allowing a run.

[19] Trailing 3–2 in the ninth inning, Uchikawa hit a game-tying solo home run off of Yamasaki.

Keizo Kawashima hit the walk-off RBI single for SoftBank in the eleventh inning for the title.