While he was well held in the first half, captain Trent Cotchin won 22 possessions after the main break to play a crucial role in the Tigers' win.
The Brownlow Medal fancy was continually buffeted off the ball on Friday night and Grigg said his teammates needed to do everything they could to protect him when he was receiving heavy attention.
"We've got to help him out as much as we can," Grigg said.
"Little blocks, give him the ball when he's free, those sorts of things.
"He's great. He did a job and went to (Nick) Dal Santo for us for a bit, and he's very flexible in what he can do.
"He's really good in those tight, hard situations."
http://www.afl.com.au/news/2013-04-06/tigers-maturity-to-be-tested