Alvarez (shoulder) has returned to the Athletics on Tuesday after throwing 30 pitches against minor league batters with High-A Stockton, John Hickey of the Bay Area News Group reports.
This is a good sign for the right-hander, especially considering he was able to use all of his pitches in the outing. Alvarez still has a way to go in his recovery, but it's promising that a return in mid-May is still realistic. His next step will likely be a simulated game this weekend.