NFL teams wary of Marques Colston in free agency

Free agent Marques Colston has been one of the NFL’s most productive wide receivers over the past six seasons. He’s averaged 75 catches for 1,040 yards and eight touchdowns per year. But Colston isn’t your typical “No. 1 receiver.” While blessed with a large catch radius, impressive body control, and ideal size (6-foot-4, 225), Colston…