The old racing adage says your teammate is your first rival, but Felipe Nasr is taking that paradox to a whole new level this weekend at Watkins Glen International. <br>As the IMSA WeatherTech SportsCar Championship heads to the historic 3.4-mile, 11-turn natural terrain road course for the Sahlen’s Six Hours of The Glen, the Brazilian finds himself hunting down a primary title contender who ...<a class='more' href='https://www.motorsport.com/imsa/news/nasr-heinrich-navigate-truly-unique-imsa-title-battle/10833784/?utm_source=RSS&utm_medium=referral&utm_campaign=RSS-ALL&utm_term=News&utm_content=www'>Keep reading</a>