Guenther Steiner: F1 pit stops need element of risk

SHANGHAI, China -- Haas team principal Guenther Steiner has warned Formula One against making changes to pit stop procedures after a Ferrari mechanic was injured during a tyre change at last weekend's Bahrain Grand Prix.

Francesco Cigarini suffered a broken leg in two places after he was run over during a botched pit stop on Kimi Raikkonen's car. The car was released before the left rear tyre had been changed and Cigarini, whose job was to put the new tyre on, was unaware that Raikkonen had been given the green light to leave his pit box.

The FIA and Ferrari have investigated the incident while some in the paddock have called for changes to pit stops, such as reducing the amount of mechanics…