Doolittle (elbow) recently resumed playing catch and is throwing long toss, Jessica Camerato of MLB.com reports.
The veteran left-hander was shut down from throwing for six weeks after receiving a PRP injection in late April, but he's been cleared to resume throwing. Doolittle will need some time to build him arm strength back up before returning to mound work, so he's likely still at least a few weeks away from being ready for game action.