Franchitti acts as co-commentator alongside lead commentator Jack Nicholls .
Four - time IndyCar champion and three - time Indianapolis 500 winner Dario Franchitti joined the host television commentary team for the FIA Formula E Championship .
winner acts as co-commentator alongside lead commentator Jack Nicholls .
Four - time IndyCar champion and three - time Indianapolis 500 winner Dario Franchitti joined the host television commentary team for the FIA Formula E Championship .