Jack was previously placed on the Paul Hornung Award and
The Bruins landed a player from each of the three defensive levels on the Nagurski watchlist Friday, with Clark on the line, Jack at linebacker and Moreau in the secondary.
Jack is the team's top returning tackler after accumulating 88 tackles last season. Clark and Moreau are third and fourth, respectively, among returning tacklers. Clark had 58 tackles, including 5 1/2 for loss. Moreau had 53.