Mercedes team boss Toto Wolff had told reporters at Sky Sports News that he is wary of any possible "volcano" erupting between Lewis Hamilton and Nico Rosberg, though he did go on to say that "there is no psychological warfare like we have seen in the past".
The Hamilton-Rosberg rivalry has been picked up on quite heavily by the media in recent weeks, with a number of stories breaking on Hamilton's state of mind as a result of building pressure caused by recent Grand Prix wins for teammate Rosberg.
Hamilton did manage to relieve some of that pressure this weekend, however, by claiming his 50th Formula 1 race victory at the U.S. Grand Prix in Austin, Texas.
The win saw Hamilton close the gap at the top of the driver's championship between him and Rosberg, but with Rosberg finishing in second place in the U.S., he still holds a 26-point lead over his rival.
This is the third consecutive season that the two Mercedes drivers have gone toe to toe - or should I say toe to metal - against one another for the driver's championship, with Hamilton coming into the 2016 season looking to make it a hat-trick of championship wins on the bounce.
Rosberg is refusing to roll over and die, though, and has this season mounted a serious assault on the championship.
Despite the two drivers coming to blows twice with each other on the track this season, colliding in Spain and Austria, Toto Wolff remains "skeptical" yet optimistic with regard to the relationship between his drivers.
In an interview with Sky Sports, Wolff said: "It's interesting because we are not having any games anymore.
"There is no psychological warfare like we have seen in the past years. They are both in a good mood, but I'm always skeptical." He continued.
"I kind of wait if this is a volcano to erupt or not, so let's wait and see."
The interview came after the Mercedes team secured their fifth one-two of the season, with Hamilton finally getting back to winning ways with the win in Texas.
In relation to the recent media reports on Hamilton's state of mind, Wolff confirmed that there have been "conversations" between himself and the reigning champ, and he also commented that it is easy to "underestimate the pressure these guys are under."
He added: "It's coming towards the end of the season, both of them have everything to win and everything to lose, and I think there will be things you say that next day you regret."
There are three more F1 events on the calendar before the championship for 2016 closes.
Races yet to run are the Mexican and Brazilian Grand Prix', before the finale takes place in Abu Dhabi on the weekend 25-27 November.
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