Complex sentence: Both were regarded as high-strung characters with delicate temperaments, and two top drivers in the same team was a recipe for fireworks--and sure enough Mansell and Piquet went head to head for the title.
Split into simpler sentences: Both were regarded as high-strung characters with delicate temperaments. Two top drivers in the same team was a recipe for fireworks--and sure enough Mansell and Piquet went head to head for the title.