Thompson cleared waivers Saturday and was sent outright to Double-A Chattanooga, C. Trent Rosecrans of The Athletic reports.
The Reds designated Thompson for assignment Thursday.
The Reds optioned Thompson to Triple-A Louisville on Tuesday.
Thompson started in center field and went 1-for-4 with a double in Monday's 10-8 win over the Brewers.
Thompson entered as a pinch runner, stole a base and scored a run in Monday's 6-3 extra-inning win over the Phillies.
Thompson entered Saturday's game as a pinch runner, stole a base and scored a run in a 7-6 loss to the Nationals.
The Reds recalled Thompson from Triple-A Louisville on Wednesday.
Thompson is in the mix for the final roster spot, C. Trent Rosecrans of The Athletic reports.
The Reds optioned Thompson to Triple-A Louisville on Wednesday, Gordon Wittenmyer of The Cincinnati Enquirer reports.
The Reds claimed Thompson off waivers from the Twins on Tuesday, C. Trent Rosecrans of The Athletic reports.