By Karl Rasmussen Miami Dolphins wide receiver Jaylen Waddle exited Sunday’s game against the Dallas Cowboys early after sustaining a leg injury during the third quarter. He did not return, although the Dolphins were able to edge out a crucial victory in his absence. On Monday, coach Mike McDaniel provided an update on Waddle’s injury, indicating that the 25-year-old had suffered a high ankle sprain, per ESPN’s Marcel Louis-Jacques. McDaniel admitted that high ankle injuries like the one Waddle sustained “can be tricky,” and added the wide receiver would receive further testing in order to det…