Kasey Kahne, who burst onto the scene at the height of NASCAR's popularity as one of several drivers expected to carry the sport in the new century, announced his retirement from full-time NASCAR racing on Thursday.
In the statement, Sadler said, "After much consideration and many conversations with my family, I've decided this will be my last season racing full time in NASCAR". He says he's "at ease with the decision that I have made".
Going into this weekend's race at Bristol, Kahne has 18 wins over 527 starts in what's now called the Monster Energy NASCAR Cup Series.
Kahne is one of NASCAR's most recognizable names. His last win came in 2017 with Hendrick Motorsports in the summer race at Indianapolis Motor Speedway.
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A 15-year premier series veteran, Kahne now drives the No. 95 Chevrolet for Leavine Family Racing.
The 43-year-old Sadler made the announcement Wednesday on Twitter. "I need to spend more time doing the things I enjoy and love and that's spending time with (son) Tanner and my sprint vehicle teams". Kasey Kahne Racing driver Brad Sweet won the prestigious Knoxville (Iowa) Nationals on Saturday night.
Leavine Family Racing has been rumored to make a switch-over to Toyota next season. He also has eight career wins in the Xfinity Series in 215 starts, and five wins in the Camping World Truck Series in six starts.
Sadler also finished second in Xfinity in 2011 and 2012. He is retiring to spend more time with his two young children. He spent 12 full-time seasons in the Cup Series driving for Wood Brothers Racing, Robert Yates Racing, Evernham Motorsports and Richard Petty Motorsports.