deep-rooted

The pair, who are planning to head together to the Miami Open which follows Indian Wells, will be hoping Djokovic's problems are not deep-rooted.

City's malaise is a deep-rooted tactical problem that, as Pep Guardiola has acknowledged, encompasses not only the loss of historic tactical standards but the need to update and embrace the future.

"We believe Blackpool and similar areas have deep-rooted child sexual exploitation issues that aren't being properly addressed," she said.

Questions, of course, are being asked about what can be done to arrest the national team's decline and Jones, like many other pundits and journalists, believes the problems are deep-rooted.

But erasing its grim legacy is likely to take much longer, as the country’s new leaders contend with an economy hobbled by nearly 14 years of war, deep-rooted corruption and international sanctions.