Christian Horner is expecting a close fight between the title contenders this weekend in Mexico. The same is also true off the track, with Mercedes boss Toto Wolff this week describing his Red Bull counterpart Horner as “a protagonist in a pantomime”. “If it were a pantomime, the pantomime dame role might suit him,” Horner hit back. It’s no-holds barred, pitwall against pitwall, drivers against drivers, engine suppliers against engine suppliers, chassis against chassis,” said the Briton. Horner, though, insisted: “Mercedes still has something in their pocket. “With the GPS data, we can see when they crank the engine and when they don’t. “I believe in the strength of our engine,” Mercedes’ Hamilton insisted.

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