div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Official Football Signals - NCAAorg Official Signals SheetpdfOfficial Football Signals Chop block 42 Holding Obstructing Illegal use of the hands or arms 36 Intentional grounding src=https:reader030fdocumentsinreader030viewer20220402145ec80e69abbb07064d0279dfhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpOfficial Football Signalspdiv