Katarina Johnson-Thompson says silver has given her confidence for future

• Briton believes working on shot put and javelin has paid off• 'I feel like I've figured out the heptathlon' Katarina Johnson-Thompson has promised she will be even better in 2019 after smashing her heptathlon personal best to win European Championships silver in Berlin on Friday. She also revealed that a calf injury was so serious that she was unable to jog as late as the end of May. "After the Commonwealths my calf was definitely a huge issue," she said. "When [the multi-event meeting] G�...