The Guardians promoted George Valera from Double-A Akron to Triple-A Columbus on Monday, Zack Meisel of The Athletic reports.
The Reds placed Robert Dugger on the 15-day injured list Monday with right shoulder pain.
Sean Newcomb struck out two and worked around a hit and a walk to deliver a scoreless inning in relief in Sunday's 3-0 loss to the Marlins.
Brandon Hughes has collected one win while providing an 0.69 ERA, 0.77 WHIP and 15:3 K:BB in 13 innings over his 14 appearances out of the Cubs bullpen since July 1.
Tim Mayza (shoulder) is expected to return this season, Scott Mitchell of TSN.ca reports.
Jarren Duran was dropped to ninth in the batting order and went 1-for-3 with a walk and an RBI while misplaying a pair of flyballs in Sunday's 13-5 loss to the Royals.
Kyle Tucker (illness) appeared off the bench in Sunday's 1-0 loss to the Guardians, drawing a walk in his lone plate appearance.
The Twins granted Tyler Duffey his release Monday, Aaron Gleeman of The Athletic reports.
Lance McCullers (forearm) struck out five over five innings and allowed five runs on seven hits – including two home runs – and three walks in his rehab start Sunday with Triple-A Sugar Land.
Cole Ragans is listed as the Rangers' scheduled starting pitcher for Thursday's game in Houston.
Edward Cabrera is scheduled to start Thursday's series finale in Philadelphia.
Texas manager Chris Woodward said Joe Barlow (finger) could be activated in advance of Tuesday's series opener with the Astros, MLB.com reports.
Joe Mantiply struck out one over a scoreless 1.1 innings in Sunday's 6-4 win over the Rockies.
Ryan Feltner is scheduled to start Tuesday's home game against the Cardinals.
Tyler Beede is listed as the Pirates' starting pitcher for Monday's game in Arizona.
Tommy Henry is listed as the Diamondbacks' scheduled starting pitcher for Tuesday's home game against the Pirates.
Chris Stratton (6-4) allowed two runs on six hits and struck out four over 1.2 innings, earning the win Sunday over the Yankees.
DJ LeMahieu went 3-for-6 with two doubles, one homer, one RBI and two runs scored in Sunday's 12-9 loss to the Cardinals.
Aaron Hicks went 3-for-4 with one RBI and two runs scored in Sunday's 12-9 loss against the Cardinals.
Paul DeJong went 2-for-3 with one double, one homer, four RBI and three runs scored in Sunday's win over the Yankees.