Round 4, Phoenix, Arizona, USA : Verizon IndyCar Series Desert Diamond West Valley Phoenix Grand Prix Phoenix Raceway, Avondale, AZ USA Friday 28 April 2017 Andretti Autosport crew chiefs Rob Edwards and Paul "Ziggy" Harcus (L-R) World Copyright: Phillip Abbott LAT Images ref: Digital Image abbott_phx_0417_04260
Verizon IndyCar Series
Desert Diamond West Valley Phoenix Grand Prix
Phoenix Raceway, Avondale, AZ USA
Friday 28 April 2017
Andretti Autosport crew chiefs Rob Edwards and Paul "Ziggy" Harcus (L-R)
World Copyright: Phillip Abbott
LAT Images
ref: Digital Image abbott_phx_0417_04260