Seventh-round tight end Dan Gronkowski has signed with the Detroit Lions, agreeing to a three-year, $1.21 million deal, according to Adam Caplan of Scout.com. Gronkowski received a signing bonus of roughly $26,000, per the report. The former University of Maryland player caught a career-high 29 passes for 287 yards and three touchdowns as a senior. For his career, the 6′5,” 256-pounder [...]