 Former Pro Personnel Director Nick Caserio, who had spent the 2007 season as wide receivers coach, returned to the personnel department as the director of player personnel, a position that partly replaced both Dimitroff's and Caserio's former responsibilities under Vice President of Player Personnel Scott Pioli.Regional scout Jon Robinson was also promoted to assistant director of college scouting.The Patriots then promoted offensive assistant Bill O'Brien to wide receivers coach to replace Caserio.