This research examine the effect of psychological contract fulfillment on employee outcomes including employee turnover intentions and employee constructive voice behaviors; whereas affective commitment was utilized as a mediator to examine the intensity of its effect on the relationship among psychological contract fulfillment and employee outcomes. The convenience sampling method was used. Data was gathered through onsite administration of a survey from individuals working in banking sector of Pakistan. The Psychological Contract Fulfillment Scale (Conway & Briner, 2002), Affective Commitment Scale (Meyer, Allen, & Smith, 1993), Employee Turnover Intentions Scale (Kuvaas, 2006) and Employee Constructive Voice Behaviors Scale (Van Dyne & Lepine, 1998) were used. The findings depict psychological contract fulfillment had negative relationship with employee’s turnover intention whereas it was positively linked with employee’s constructive voice behaviors. Further results revealed affective commitment significantly mediate relationship between psychological contract fulfillment and employee outcomes such that fulfillment of psychological contract positively contributes towards affective commitment levels among workforce which eventually increases constructive voice behaviors and lower turnover intentions among employees within an organization.