McDowell tops opening Cup Series practice in Mexico City

Michael McDowell was fastest in opening NASCAR Cup Series practice Friday in Mexico City as the series prepares for its inaugural event at the Autódromo Hermanos Rodríguez circuit.McDowell topped the board at 92.657mph (90.024s). The Spire Motorsports driver ran 19 laps in the 50-minute session.Since Mexico City is a new...