Jos Buttler injury puts Pope on call to keep wicket for England

First-choice keeper tweaks back during gym sessionEngland need to beat New Zealand to draw Test series
Ollie Pope has been placed on standby to keep wicket for England during their must-win second Test against New Zealand after Jos Buttler emerged as an injury doubt 24 hours out from the match. Buttler, 29, experienced back pain while working out in the gym before training on Thursday. It follows 201 overs in the field during the first Test in Mount Maunganui, an innings defeat that sees Joe Roo