The Reds activated Montas (forearm) from the 15-day injured list Tuesday.

Montas (forearm) is listed as the scheduled starter for Tuesday's series opener against the Diamondbacks.

Reds manager David Bell said Tuesday that he expects Montas (forearm) to return from the 15-day injured list when first eligible May 7 or the day after, MLB.com reports.

The Reds placed Montas (forearm) on the 15-day injured list Monday.

Montas (forearm) said after Sunday's game against the Angels that he's likely to miss his next start due to soreness and swelling, Charlie Goldsmith of The Cincinnati Enquirer reports.

Montas had X-rays come back negative and was diagnosed with a right forearm bruise after exiting Sunday's start against the Angels.

Montas was removed from Sudnay's game against the Angels after being hit in the right arm by a comebacker, C. Trent Rosecrans of The Athletic reports.

Montas (2-0) recorded the win Wednesday in a 4-1 victory over the Phillies, allowing one run on five hits and three walks over 5.2 innings. He struck out five,

Montas allowed two runs on four hits and one walk while striking out six over five innings in Saturday's spring start against the Rockies.

Montas allowed one run on three hits while striking out five over four innings in Monday's spring start against San Francisco.