Matt Harrison (back) has increased his throwing to 120 feet from flat ground but won't attempt to throw from the mound for at least a month, the team's web site reports.

Harrison (back) has increased his throwing to 120 feet from flat ground, but won't attempt to throw from the mound for at least a month, the Rangers' official site reports.

Analysis:

Any sort of major setback could be career-ending for Harrison, so look for a cautious approach here as he attempts to return from spinal fusion surgery.