The purpose of the study was to evaluate the influence of coaches` communication discourse determined by educational program Mastery Approach to Coaching (MAC) on changes of players` level of pre-competitive anxiety and self-esteem. The research was applied on 10 coaches of collective sports and 161 players. For diagnosing, the level of cognitive, somatic anxiety and selfesteem was used standardized questionnaire CSAI-2R. Players of experimental group decreased level of intensity of cognitive (p = 0.004) and somatic anxiety as well as frequency and increased level of selfesteem intensity (p = 0.021) and frequency during intervention period. After three months’ experiment period players of experimental group experienced lower intensity (p = 0.000) and frequency of cognitive anxiety as well as lower intensity (p = 0.012) and frequency (p = 0.037) of somatic anxiety than players in control group. Players of experimental group perceived direction of self-esteem intrusions (p = 0.041) as well as intrusions of cognitive and somatic anxiety more positively than players of control group after intervention period.