As coach Ryuma Kidokoro (城所 龍磨, Kidokoro Ryūma, born September 24, 1985) is a Japanese former professional baseball outfielder, and current the second squad outfield defense and base running coach for the Fukuoka SoftBank Hawks of Nippon Professional Baseball (NPB).

[3] Kidokoro played 14 seasons, appearing in 716 games and a batting average of .196, a 8 home runs, a 91 hits, a RBI of 42, a 65 stolen bases, and a 14 sacrifice bunts.

[2] Kidokoro had been working as a team staff member for the Fukuoka SoftBank Hawks since 2019.

[4] On November 3, 2021, Kidokoro was appointed as the third squad outfield defense and base running coach of the Fukuoka SoftBank Hawks.

[5] On December 2, 2023, he was transferred to the second squad outfield defense and base running coach.