Sacks slightly increase composure of other defensive linemen.
BronzeSacks moderately increase composure of other defensive linemen.
SilverSacks significantly increase composure of other defensive linemen.
GoldUltimate composure gain for other defensive linemen on sacks.
PlatinumUnlike physical abilities, mental abilities can not be upgraded or developed.
Whatever mental abilities (or lack thereof) that a recruit comes in with, will be keep at the same tier for their entire career.