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Chase Briscoe swept the two NASCAR Xfinity Series races at Las Vegas in 2020, but he won't be in the 2021 Alsco Uniforms 300 field on Saturday. Briscoe is racing full-time at the Cup Series level this year, opening up the field in a big way Saturday at Las Vegas Motor Speedway. Austin Cindric, who won the season-opening race at Daytona, is the +160 favorite in the 2021 Alsco Uniforms 300 odds from William Hill Sportsbook.

Other top NASCAR Xfinity Series at Las Vegas contenders this week include Noah Gragson at 6-1, Harrison Burton at 7-1, Ty Dillon at 9-1 and Tyler Reddick at 10-1. The green flag drops at 4:30 p.m. ET. Before making any 2021 NASCAR Xfinity Series at Las Vegas predictions, be sure to see the latest 2021 Alsco Uniforms 300 picks from SportsLine's proven projection model. 

Developed by daily Fantasy pro and SportsLine predictive data engineer Mike McClure, this proprietary NASCAR prediction computer model simulates every race 10,000 times, taking into account a slew of factors including track history and recent results.

The model began the 2021 Xfinity Series schedule by nailing Austin Cindric's win at Daytona at 10-1. Anybody who followed that pick saw huge returns. 

Now, his model simulated the 2021 NASCAR Xfinity Series at Las Vegas race 10,000 times. Head to SportsLine to see the complete projected leaderboard for the 2021 Alsco Uniforms 300.

Top 2021 Alsco Uniforms 300 predictions 

One surprise: The model is high on Justin Haley, even though he's a 25-1 long shot in the latest NASCAR Xfinity Series at Las Vegas odds. He's a target for anyone looking for a huge payday. After finishing 29th at Daytona to open the season, Haley has finished ninth or better in his last two races.

And he's coming off an extremely successful 2020 campaign at the Xfinity Series level. He finished third overall in the standings and won outright three times. With long odds this week and plenty of success at this level, Haley is a great target for 2021 Alsco Uniforms 300 bets.

And a massive shocker: Harrison Burton, one of the Vegas favorites at 7-1, stumbles big time and doesn't even crack the top five. There are far better values in this loaded field. Burton had plenty of success last season but he hasn't finished better than third thus far in 2021. 

His car stalled out last week at Miami-Homestead and he was unable to finish that race, officially settling for 39th. He's also starting 22nd at Las Vegas, so he'll need to make up a lot of ground on Saturday to pick up his first victory of the year. The model doesn't like him at 7-1 odds, making him a driver to fade on Saturday. 

How to make 2021 NASCAR Xfinity Series at Las Vegas picks

The model is also targeting four other drivers with NASCAR Xfinity Series at Las Vegas odds of 12-1 or longer to make a serious run at winning it all. Anyone who backs these drivers could hit it big. You can see all the NASCAR Xfinity Series picks over at SportsLine.

So who wins the 2021 Alsco Uniforms 300? And which long shots stun the NASCAR Xfinity Series? Check out the latest odds below and then visit SportsLine now to see the full projected leaderboard, all from the model that nailed Cindric's season-opening win. 

2021 Alsco Uniforms 300 odds (via William Hill)

Austin Cindric +160
Noah Gragson 6-1
Harrison Burton 7-1
Ty Dillon 9-1
Tyler Reddick 10-1
A.J. Allmendinger 12-1
Brandon Jones 12-1
Daniel Hemric 12-1
Justin Allgaier 12-1
Justin Haley 25-1
Riley Herbst 30-1
Michael Annett 40-1
Myatt Snider 40-1
Jeb Burton 50-1
Ryan Sieg 60-1
Field (every driver not listed) 60-1
Josh Berry 100-1
Brett Moffitt 100-1
Brandon Brown 500-1
Jeremy Clements 500-1
Santino Ferrucci 750-1
Gray Gaulding 1000-1
Timmy Hill 100-1