He played in Nippon Professional Baseball (NPB) from 1980 to 1995 for the Hanshin Tigers and Orix BlueWave.

Okada played, mostly as a second baseman, for the Hanshin Tigers from 1980 to 1993, winning the Central League Rookie of the Year in 1980.

On September 26, 2022, Okada was hired to serve as the manager for the Hanshin Tigers, marking his second managerial stint with the club.

[1] During his first season back in 2023, the Hanshin Tigers defeated Okada's former team he managed, the Orix Buffaloes, 4-3 in the 2023 Japan Series.

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