He reads players poorly and needs to work on his instinct at the point of decision .
Griffen certainly takes an excellent approach to the ball - carrier , but still needs some work in his tackling form when one - on - one .
Griffen reads players poorly and needs to work on Griffen 's instinct at the point of decision .
Griffen certainly takes an excellent approach to the ball - carrier , but still needs some work in his tackling form when one - on - one .