Charles Leclerc lost third place to Carlos Sainz in Las Vegas and started a swearing rant over the radio when he let his race engineer Bryan Bozzi know his feelings about it.

Even if Leclerc started Saturday night’s 50-lap Grand Prix behind Sainz on the grid, he overtook Pierre Gasly and then the Spaniard to run second where he put pressure on race leader George Russell.

Charles Leclerc’s F-word thoughtful rant

But he took too much life out of his tyres, he was one of the first to pounce and spent the rest of the Grand Prix trying to fight his way back to the podium.

Up against Sainz for P3, Leclerc came from his second pit stop just ahead of his teammate.

Bozzi told him: “Carlos has been told not to overtake but it’s really close, you might be right in front. He’s been told not to put you under pressure. So just take care of your tyres.”

But as Sainz swept around him, the Monegasque driver told Bozzi: “Maybe try in Spanish.”

Sainz went on to finish the Grand Prix in third place, crossing the line three seconds behind his Ferrari teammate.

Leclerc’s anger was made clear in his radio messages to his race engineer.

Bozzi: “Collect please.”

Leclerc: “Yes whatever you want as always.”

Bozzi: “Charles, you did your job. Okay. Thanks.”

Leclerc: “Yeah, I did my job. But being nice fucks me all the damn time. All the damn time.
“It’s not even being nice, it’s just being respectful, I know I should shut up but at some point it’s always the same so…
“Oh my god.”

Bozzi: “Okay, but still you did the right thing for the team.”

Bozzi: “Collect please.”

Leclerc: “Get whatever the hell you want. And the radio is on, I’m sorry.”

Fred Vasseur: “Charles! Charles!”

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This is not the first tension between the Ferrari teammates.

When Leclerc clashed in the Spanish Grand Prix, he was unimpressed by Sainz’s antics with the Spaniard responding: “Too many times he complains after the race about something.”

They were at it again at Silverstone, this time in qualifying where Leclerc felt Sainz had ruined his lap: “Nice Carlos, good, good overtake in the last corner.”

There have been other problems during the campaign, but Leclerc has previously insisted that too much has been made of it.

“I’m pretty active on social media, so I see what’s been said around,” Leclerc shared Motorsport.com. “It’s been blown out of proportion, I think, with Carlos. We have a great relationship.”

By beating both McLarens under the Sin City lights, Ferrari have closed the gap Constructors’ Championship to 24 points with two races to go.

Read next: Las Vegas GP: Verstappen makes his mark with his fourth title, Mercedes 1-2 in Sin City