Although certain topics remain unacceptable, improper, and potentially illegal during employment screening, teams need to know which players can control their on-off switch when it comes to pushing, shoving, and hitting — and which players cannot. Thus, teams try to get under the skin of these players during the pre-draft process in order to best assess whether they can or can't control themselves under the stress and strain that comes with playing football at the highest level. It's a fine line.