He most recently served as the assistant hitting coach for the Detroit Tigers of Major League Baseball (MLB).

He hit 48 doubles in 1998, which was the Japanese single-season record until Yoshitomo Tani broke it in 2001, and ended with a .320 batting average, with 31 home runs and 114 RBIs to win his second consecutive Best Nine Award.

On December 9, 2014, Clark was named the hitting coach for the Class-A West Michigan Whitecaps.

[2] On November 2, 2017, Clark was named the assistant hitting coach for the Detroit Tigers for the 2018 season.

[3] On December 20, 2020, Clark was hired by the Wei Chuan Dragons of the Chinese Professional Baseball League to be the team's hitting coach for the ensuing season.