"It felt a little tight, but it went well," Coke said.
Both hurlers were cleared to pitch following Monday's 4-3 loss to the Twins, and both will be available out of the bullpen on Tuesday.
The return of Rondon gives the Tigers a big piece in their bullpen. The hard-throwing rookie had become a valuable presence in the seventh and eighth innings before coming down with tenderness in his right elbow following a Sept. 2 outing in Boston in which he hit 102 mph.
Jason Beck is a reporter for MLB.com. Read Beck's Blog and follow him on Twitter @beckjason. This story was not subject to the approval of Major League Baseball or its clubs.