Richardson was placed on the 7-day injured list at Triple-A Louisville on Monday, Charlie Goldsmith of The Cincinnati Enquirer reports.
The Reds optioned Richardson to Triple-A Louisville on Wednesday.
The Reds recalled Richardson from Triple-A Louisville on Tuesday, Charlie Goldsmith of The Cincinnati Enquirer reports.
The Reds optioned Richardson to Triple-A Louisville on Thursday.
The Reds recalled Richardson from Triple-A Louisville on Wednesday, Gordon Wittenmyer of The Cincinnati Enquirer reports.
The Reds recalled Richardson from Triple-A Louisville on Tuesday.
The Reds optioned Richardson to Triple-A Louisville on Saturday.
Richardson was optioned to Triple-A Louisville on Sunday.
Richardson (0-2) took the loss Wednesday as the Reds were downed 8-4 by the Mariners, surrendering seven runs on seven hits -- including three home runs -- and four walks over 4.2 innings. He struck out three.
Cincinnati recalled Richardson from Triple-A Louisville ahead of his scheduled start Wednesday versus the Mariners.