private void redTeamScoreFocusLost(java.awt.event.FocusEvent evt) {//GEN-FIRST:event_redTeamScoreFocusLost
        // TODO add your handling code here:
        try{
            Integer.parseInt(redTeamScore.getText());
        }
        catch(Exception e){
            redTeamScore.setText("0");
        }
        
        if((Integer.parseInt(redTeamScore.getText())) == 0 ){
            
        }else if((Integer.parseInt(redTeamScore.getText()))<0){
            redTeamScore.setText("0");
        }
    }//GEN-LAST:event_redTeamScoreFocusLost