Pre-draft On January 8, 2008, he announced that he would skip his senior year of college to enter the
2008 NFL draft, though he would go undrafted.
Houston Texans Grice-Mullen was signed as an
undrafted free agent by the
Houston Texans shortly after the
2008 NFL draft. However, he was released on June 13.
Chicago Bears On July 24, 2008, Grice-Mullen was signed by the
Chicago Bears. He was waived a month later on August 24.
BC Lions Grice-Mullen was signed to the
practice squad of the
BC Lions on September 9, 2008, and was later placed on the active roster. During the 2008 season, Grice-Mullen caught 9 passes for 175 yards and 1 touchdown. Grice-Mullen caught a 67-yard touchdown pass in the Lions' season finale. Grice-Mullen finished the 2009 season with 20 catches for 210 yards and one touchdown. In late November, Grice-Mullen set the CFL record for longest playoff punt return when he returned a punt for 106 yards in the second half for a touchdown. He was later named special teams player of the week.
Miami Dolphins Grice-Mullen signed a contract with the
Miami Dolphins on January 6, 2010. The move united him with fellow former Hawaii receiver and teammate
Davone Bess. He was waived on August 18.
Saskatchewan Roughriders On September 15, 2010, Grice-Mullen returned to the
CFL and signed with the
Saskatchewan Roughriders.
Edmonton Eskimos On August 16, 2011, Grice-Mullen signed with the
Edmonton Eskimos after
slotback Fred Stamps went down with an abdominal injury ==References==