Reds placed RHP Alfredo Simon on the 15-day disabled list, retroactive to June 16, with a right shoulder injury.
Alfredo Simon returned to Cincinnati on Tuesday for tests on his sore right scapula.
Alfredo Simon is having shoulder trouble.
Alfredo Simon has been moved to the Reds' bullpen.
Alfredo Simon gave up six earned runs over five innings Wednesday in a loss to the Cardinals.
Alfredo Simon surrendered three home runs over seven innings in Thursday's win over the Rockies.
Alfredo Simon was ejected from Saturday's game after hitting Brewers pitcher Chase Anderson with a pitch in the fifth inning.
Alfredo Simon was ineffective in Sunday's loss to the Mariners, allowing five runs on nine hits over five innings.
Alfredo Simon was hammered for 10 earned runs in just 4 1/3 innings Tuesday in a loss to the Indians.
Alfredo Simon took home a no-decision after six innings of work, despite serving up a trio of homers in Wednesday's outing against the Pirates.
Tuesday's game between the Reds and Pirates has been postponed due to rain in Cincinnati.
Alfredo Simon allowed three runs over 7 2/3 innings in Thursday's win over the Brewers.
Alfredo Simon lasted only four innings in Saturday's loss to the Pirates, allowing six hits and walking four.
Alfredo Simon (biceps) had nothing in Sunday's loss to the Cubs, yielding eight runs on nine hits over just 2 2/3 innings.