Christian Horner worried about Mercedes and Ferrari rumours

Red Bull's rivals have a mountain to climb, but can upgrades bring competition in Europe?

Mercedes team principal, Toto Wolff, has been adamant that an alternative concept to the W14 is in the mix.

With the Emilia Romagna Grand Prix around the corner, the time is now to implement drastic changes and at least offer competition to the ferocious and formidable Red Bulls.

Christian Horner has led his Red Bulls flying past the Silver Arrows this season. Their old foes are out of sight, out of reach, but Horner knows the impact these pending upgrades could have.

When speaking to the F1 Nation podcast, he stated: “It’s still a long season and they’ve got a lot of development time available to them. I mean, let’s see.

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“I keep hearing massive upgrades for Mercedes are coming and significant ones for Ferrari. So if they do have a B-spec car, then things can change quite quickly.”

However, if Red Bull maintains consistency and keeps their two drivers competitive, not hostile, the season is theirs for the taking.

The minor cost cap breach has barely dented their progress, it seems.

“We have the restrictions in the development tools imposed on us this year. But I think the team are doing a very effective, very efficient job. They’re using the time that we have effectively,” Horner stated.

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READ: Max Verstappen fires imperious warning after deflating Sergio Perez

It may be too soon to tell but Red Bull have outshone their opponents in every race thus far. The Miami Grand Prix consolidated the Red Bull reign as another 1-2 finish was achieved.

Verstappen finished the race 5 seconds ahead of teammate Sergio Perez – seemingly taking Azerbaijan to heart.

With Imola around the corner and Wolff remaining enigmatic as to what Mercedes fans can expect, the excitement is tantalising.