AP - Heisman Trophy winner Cam Newton put his arm and footwork on display for NFL teams once again.<p><strong>Read more:</strong> <a class="rssreadon" rel="external" title="Cam Newton gets high marks at pro day   (AP)" href="http://us.rd.yahoo.com/dailynews/rss/sports/*http%3A//news.yahoo.com/s/ap/20110309/ap_on_sp_co_ne/fbc_auburn_s_pro_day" target="_blank">http://us.rd.yahoo.com/dailynews/rss/sports/*http%3A//news.yahoo.com/s/ap/20110309/ap_on_sp_co_ne/fbc_auburn_s_pro_day</a></p>