Manager Brandon Hyde said Wednesday that Rodriguez has been diagnosed with a mild right lat strain, Andy Kostka of TheBaltimoreBanner.com reports.
Rodriguez was placed on the injured list earlier Wednesday due to what was labeled as "discomfort," but the team has now confirmed the right-hander suffered a strain following an MRI. Hyde added that he is optimistic about Rodriguez returning to the rotation relatively quickly, though the 24-year-old remains without an official timeline. Albert Suarez, who started in Rodriguez's place Tuesday against the Blue Jays, is the most likely option to fill the void in the Orioles rotation.