4/10/2016
Sprint Source
RJ Johnson #1 At Arizona Speedway
![RJ Johnson #1 At Arizona Speedway](https://dy5vgx5yyjho5.cloudfront.net/images/v2/s1136x640-U3z8jNF7kyW5x309380.jpg)
Three-time defending USAC Southwest Sprint Car Champion R.J. Johnson won Saturday night’s 4th Annual “Spring Fling” main event at Arizona Speedway. He passed Mike Martin on lap 17 and led the rest of...