NBA All-Star Weekend is under way in Chicago, and the 2020 Rising Stars Challenge headlines Friday's festivities. It's a 9 p.m. ET tipoff between Team USA and Team World, with only first- and second-year NBA players competing. Team USA is a 6-point favorite, while the over-under is 306.5.

Before you pick this must-see game, you'll want to see what SportsLine's top NBA expert, Mike Barner, has to say. 

Barner's expertise has been on full display lately. He is on an amazing 78-47 run on against-the-spread picks, returning over $2,600 to $100 players! His work also has appeared in Sports Illustrated and on Yahoo, RotoWire and KFFL, and he's been featured on ESPN Radio. Barner digs deep into the data, examining team trends and projecting game outcomes.

Anyone who has followed him is WAY UP.

We can tell you Barner is leaning Over 306.5, but his much stronger play is against the spread. He unearthed a critical X-factor that has him going big on one side. You ABSOLUTELY need to see it before locking in any picks.

So who wins Team USA vs. Team World? And what critical X-factor makes one side of the spread a must-back? ... Join SportsLine right now to get Friday's NBA Rising Stars Challenge pick, all from the SportsLine expert on a massive 78-47 NBA heater!