India, May 9 -- The Miami Dolphins have made several roster changes amid rumors linking star wide receiver Tyreek Hill to the Pittsburgh Steelers. Mike McDaniel and co have begun their rookie minicamp with a host of signings. The Dolphins signed seven draft picks and added 16 undrafted free agents to their roster on Friday.

This comes as NFL sleuths are convinced that Tyreek Hill wants out of Miami after the Pittsburgh Steelers vacated a key position by trading WR George Pickens to the Dallas Cowboys. Recently, Hill listed his top 5 NFL quarterbacks, but did not mention his once-favorite Tua Tagovailoa.

The Dolphins signed draft picks, including defensive tackles Kenneth Grant, Jordan Phillips, and Zeek Biggers, cornerback Jason Marshal...