Why Toto Wolff is concerned about Verstappen despite P6 result in practice

Toto Wolff is left with mixed feelings about Friday in Baku. In the first two free practice sessions, Lewis Hamilton recorded times that placed him inside the top theee but George Russell struggled. At the same time, the Mercedes team boss is keeping a close eye on the competition: for instance, he noted that Max Verstappen was not driving with full power.