The Reds optioned Spiers to Triple-A Louisville on Saturday.

Spiers allowed four runs (three earned) on seven hits and three walks while striking out one over four relief innings in Tuesday's 9-5 loss to Milwaukee.

The Reds recalled Spiers from Triple-A Louisville on Monday.

Spiers allowed three runs (two earned) on four hits and one walk while striking out two over 2.2 innings in Friday's spring game against the Diamondbacks.

Spiers allowed three hits and struck out four over two scoreless innings in Saturday's spring start against the Guardians.

Spiers worked on being more consistent with his slider during 18 innings in the Arizona Fall League, Mark Sheldon of MLB.com reports.

The Reds recalled Spiers from Triple-A Louisville on Friday.

The Reds optioned Spiers to Triple-A Louisville on Monday.

Spiers' contract was selected from Double-A Chattanooga on Thursday, Gordon Wittenmyer of The Cincinnati Enquirer reports.

The Reds returned Spiers to Double-A Chattanooga on Sunday.