Munoz leads final morning warm up

Andretti Autosport rookie Carlos Munoz led the morning warm up session for the Firestone Grand Prix of St. Petersburg, as Honda-powered cars swept four of the top five positions. Sarah Fisher Hartman Racing's Josef Newgarden was second, with KVSH Racing's Sebastien Bourdais the fastest Chevrolet in third.

Rahal Letterman Lanigan Racing's Graham Rahal was fourth with Andretti Autosport's Marco Andretti fifth…