The 2024 Summer Olympics is underway as the United States and Serbia link up on Sunday. This will be a Group C battle as South Sudan and Puerto Rico are also apart of that collection of teams.  Tip-off is scheduled for 11:15 a.m. ET. USA is a 12.5-point favorite in the latest USA vs. Serbia odds, while the over/under for total points scored is 181.5.

Before you make any USA vs. Serbia picks or 2024 Paris Olympics basketball predictions, you need to see what SportsLine writer Bruce Marshall has to say. 

An in-demand guest on numerous sports talk radio and TV shows across the country, Marshall, who was synonymous with The Gold Sheet, the famed sports betting newsletter, vast array of editorial work has been featured in the Las Vegas Review-Journal, the New York Post and many other outlets. He has won various handicapping titles and also is working on several book projects. Marshall has crushed his MLB picks this season for SportsLine members, entering this matchup on a 44-19-2 run that has returned more than $2,300 for $100 players. Anybody following is way up.

Marshall knows Team USA has been relying on LeBron James a lot through exhibitions. James has been an electric playmaker even at 39 years old and is ready to step up. He's recorded 979 points, 281 rebounds, 238 assists, and 111 steals in 68 games with Team USA.

Marshall also knows Serbia has a nice roster of players, including Nikola Jokic. He's one of the most all-around guys in the NBA due to his ability to score, pass, and rebound at a high level. Last season with the Denver Nuggets in the NBA, Jokic was 10th in points (26.4), fourth in rebounds (12.4), and third in assists (9). 

Marshall has analyzed this USA vs. Serbia matchup and he's leaning Under the total. But he also has discovered a crucial x-factor that makes one side of the spread a must-back. You need to see what it is before locking in any picks of your own.

So who wins USA vs. Serbia on Sunday? And what x-factor makes one side a must-back? ... Join SportsLine right now to get USA vs. Serbia picks, all from the betting expert who has returned $2,308 over his last 65 picks.