Rafael Montero (shoulder) threw Tuesday and plans to throw from a mound Wednesday, ESPN's Adam Rubin reports.

Montero (shoulder) threw Tuesday and plans to throw from a mound Wednesday, ESPN's Adam Rubin reports.

Analysis:

Montero's progress previously appeared to be stalled, but it now seems he's taking significant steps. While there's been mounting concern that he may eventually require surgery, Montero has only been diagnosed with shoulder inflammation, and his impending return to a mound suggests he's avoided anything more serious.