Complex sentence: Before the match, Paisley announced that striker Toshack would be fit to start; however, Toshack was not named in the squad and this upset the Germans' game plan, allowing Keegan to torment his marker, Berti Vogts.
Split into simpler sentences: Before the match, Paisley announced that striker Toshack would be fit to start; however, he was not named in the matchday squad. This change upset the Germans' game plan and allowed Keegan to torment his marker, Berti Vogts.