The Cardinals outrighted Rivas to Triple-A Memphis on Thursday after he cleared waivers.
Rivas was designated for assignment by the Cardinals on Monday.
The Cardinals optioned Rivas to Triple-A Memphis on Saturday.
Rivas has gone 3-for-26 (.115) over 15 Grapefruit League games.
The Cardinals claimed Rivas off waivers from the Angels on Monday.
Rivas was designated for assignment by the Angels on Tuesday, Sam Blum of The Athletic reports.
The Angels claimed Rivas off waivers from Cleveland on Friday.
The Guardians designated Rivas for assignment Friday.
The Guardians claimed Rivas off waivers from Pittsburgh on Thursday.
Rivas remains out of the lineup Friday versus the Reds.