Kawhi Leonard and the L.A. Clippers hit the road to face Luka Doncic and the Dallas Mavericks at 8:30 p.m. ET on Tuesday. The Mavericks are 1.5-point favorites at home, while the Over-Under is set at 231.5. Before you make any Clippers vs. Mavericks picks or NBA predictions, see what NBA specialist Mike Barner has to say.

Barner was recently nominated for Basketball Writer of the Year by the Fantasy Sports Writers Association, and his work has appeared in Sports Illustrated and Yahoo, among many major outlets. He's also been featured on ESPN Radio. Barner digs deep into NBA data, examining team trends and projecting game outcomes. Now, Barner's exhaustive analysis is paying off big-time at SportsLine. The No. 1 NBA expert, Barner is on a sick 57-31-1 run NBA picks against the spread.

Now Barner has studied Clippers vs. Mavericks from every possible angle. We can tell you he's leaning Under on the total, and he's also found a critical X-factor that has him jumping all over one side of the spread. You ABSOLUTELY need to see it before you lock in your own picks.

Who wins Clippers vs. Mavericks? And what critical X-factor makes one side of the spread a must-back? ... Join SportsLine right now to find out which side of the Clippers vs. Mavericks spread you should be all over Tuesday, all from the No. 1 NBA expert who has returned over $1,200 to $100 bettors.this season!