Chicago Blackhawks' Brandon Saad (20), bottom, is checked by Boston Bruins' Zdeno Chara (33) during the second period of an NHL hockey game in Chicago, Sunday, Jan. 19, 2014. (AP Photo/Nam Y. Huh)

Chicago Blackhawks' Brandon Saad (20), bottom, is checked by Boston Bruins' Zdeno Chara (33) during the second period of an NHL hockey game in Chicago, Sunday, Jan. 19, 2014. (AP Photo/Nam Y. Huh)