<p>PEORIA, Ariz. -- Third baseman Chase Headley's strained right calf continues to improve and is already to the point where it's almost like the injury never occurred.</p><p>"That was one of the things we talked about," Headley said of his discussions with the training staff. " They trust me to say if it's feeling out of the ordinary."</p><p>To this point, it hasn't, which is why Headley -- who suffered the strain during an infield drill on Feb. 22 -- has advanced to the point of taking ground balls as well as hitting on the field in batting practice.</p><p>On Friday, Headley's plans were to go through another full day of drills on the practice field, while also doing some light running.</p><p><a href="http://mlb.mlb.com/news/article.jsp?ymd=20140307&content_id=68902458&notebook_id=68916974&vkey=notebook_sd&c_id=sd">Keep reading...</a></p>