Highlights

Ngidi: Ready to go
Cobras confirm signing of bowler Mnyaka
Vettel in mood for Russia
Sauber announces Raikkonen's partner for 2019
Consider commissioner to heal rifts, Wimbledon chief says
Madrid to host first two revamped Davis Cup finals
Murray powers past Goffin into Shenzhen quarters
Vettel says he misses Schumacher's advice