Jeremy Guthrie (shoulder) threw about 20 pitches to hitters Tuesday and experienced no issues with the AC joint in his right shoulder. Rockies head athletic trainer Keith Dugger said Guthrie looked "fabulous." He's expected to make a minor league rehab start Thursday with High-A Modesto before rejoining the Rockies. The 33-year-old right-hander had a 5.92 ERA across four starts prior to the injury.