Parker (undisclosed) is participating in Tuesday's practice without wearing a red non-contact jersey, David Furones of the South Florida Sun Sentinel reports.
The Dolphins spent the preseason easing Parker back into practice while he worked through an undisclosed injury, and his return to contact reps represents a significant step forward. Barring any setbacks, it looks like Parker can be considered on track for the Sept. 12 season opener in New England. Parker is slated for a key role in Miami's revamped receiving corps alongside new teammates Jaylen Waddle and Will Fuller (foot), though the latter won't be eligible to suit up until Week 2 due to a suspension.