His concussion history concerns me .
I think his floor was actually his 2014 performance -- Gronk staying healthy all 16 games , 90 catches for less than 1000 yards and fewer than 5 TDs .
His concussion history concerns me , but I think his floor was actually his 2014 performance -- Gronk staying healthy all 16 games , 90 catches for less than 1000 yards and fewer than 5 TDs .