Only 27 cars had taken to the track at Daytona International Speedway before rain brought the first practice to a halt. Persistent heavy showers continued and eventually the remainder of the session was called off.<br>Keselowski’s average lap speed of 196.395 mph topped the chart as he and 25 others only managed to get in one lap.<br>Kyle Busch ended up second-fastest (195.435 mph) and Bubba ...<a class='more' href='https://www.motorsport.com/nascar-cup/news/keselowski-fastest-saturday-500-practice/5394276/?utm_source=RSS&utm_medium=referral&utm_campaign=R SS-NASCAR&utm_term=News&utm_content=www'>Keep reading</a>

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