ARCA Daytona Lucas Oil 200 Winner Austin Theriault won in a rain-shortened ARCA opener. Theriault, though, was in charge of the race and going away when the race was red-flagged for a crash and the rains came bringing out a black flag and the end of the event. Theriault drives for former NASCAR regular Kenny Schrader. Their entry in the race Saturday wasn’t guaranteed until the last minute. Listen…