Williams (14-8) earned the win against the Athletics on Sunday, allowing three hits and one walk while striking out nine over seven scoreless innings.
Smith earned the save in Sunday's 1-0 win over the Athletics, allowing one hit and no walks with three strikeouts over 1.1 innings.
Lowder (6-12) took the loss Sunday against the Cubs, allowing five runs on six hits and three walks across three innings. He struck out three.
Rocchio (leg) is out of the lineup for Sunday's matchup with the Athletics.
Cincinnati promoted Spiers from Triple-A Louisville on Sunday.
The Reds placed Burns on the 15-day injured list Sunday due to a right groin strain.
Cincinnati designated Friedl for assignment Sunday.
Cecconi (5-7) was credited with Saturday's win over the Yankees, retiring the final six batters with two strikeouts over two scoreless innings.
Rocchio was removed from Saturday's 12-6 win over the Athletics with left leg tightness, MLB.com reports.
DeLauter went 2-for-5 with a home run, three RBI and an additional run scored in Saturday's 12-6 win over the Athletics.
