MIAMI, March 9 (UPI) -- The Miami Dolphins agreed to a three-year, $67.5 contract with free agent quarterback Malik Willis, a source familiar with the agreement told UPI on Monday. Willis' agreement, which includes $45 million in guarantees, was reached the same day the Dolphins announced that they would release former starting quarterback Tua Tagovailoa . Willis, 26, completed 30 of 35 (85.7%) passes for 422 yards and three scores and no interceptions over four appearances last season for the