NASCAR O'Reilly Series

Ross Chastain hopes to improve on last year’s performance in Saturday’s TreatMyClot.com 300 at Auto Club Speedway. In his first run last year at the two-mile track, Chastain rolled home 17th.

“I think, all things considered, we’ve had a really good start to the year,” said Preece, who will drive the UPTick Vineyards No. 01 Chevrolet Saturday. “I’ve gotten a lot of seat time, and I feel like we’ve gotten better every time out. Looking forward to a good run at a new track.”

Garrett Smithley, rolling along in his first year in the Xfinity Series, tackles another track for the first time Saturday when he drives the JD Motorsports with Gary Keller No. 0 Chevrolet in the TreatMyClots.com 300 at Auto Club Speedway.

Corey will be making his first NASCAR XFINITY Series start at Auto Club Speedway. This event will be LaJoie's ninth career XFINITY series start and the third one this season after piloting the No. 24 Toyota previously this season at Atlanta and Las Vegas.

Roush Fenway Racing driver Ryan Reed heads to his home track of Auto Club Speedway (ACS) in Fontana, Calif. this weekend, but he’s not alone in his journey home. Two other members of the No. 16 Lilly Diabetes/American Diabetes Association team also call ACS their home track.

"Auto Club Speedway is an awesome track. It is one of the oldest surfaces we race on so tire fall off is pretty big. Once the tires fall off you move around a lot so it will be important for us to make sure our No. 28 Winfield Toyota will work on multiple lines around the track and have the best grip possible."

CGR in XFINITY at ACS: CGR scored their first-ever XFINITY Series pole position at ACS in September 2004 with driver Casey Mears. In 14 starts at the 2.0-mile Southern California Speedway, CGR drivers have collected one pole, two top-five and two top-10 finishes. The best result came in that same September 2004 race, when Mears finished second.

Wallace will make his second career NASCAR XFINITY Series start at Auto Club Speedway on Saturday afternoon.

The No. 43 Streicher Ford team, less than a month from the team's inception, struggled at their first short track race of the season last weekend at Phoenix.

Richard Childress Racing's NASCAR Sprint Cup Series history at Auto Club Speedway ... In 80 overall NASCAR Sprint Cup Series starts at Auto Club Speedway, RCR Chevrolet teams have earned one win (Kevin Harvick - 2011), one pole award (Mike Skinner - April 2000), 12 top-five and 28 top-10 finishes.