The 2024 Summer Olympics are underway and the United States and Serbia link up in men's basketball on Sunday. This will be a Group C battle as South Sudan and Puerto Rico are also apart of that collection of teams. Tipoff is scheduled for 11:15 a.m. ET. USA is a 13.5-point favorite in the latest USA vs. Serbia odds, while the over/under for total points scored is 182.5.

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 finished the 2023-24 season on a 197-143 roll on NBA picks (+3578) and 54-37 on college basketball picks (+1340). Anybody following his basketball picks has seen HUGE returns! 

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 an impressive roster of players, including Nikola Jokic. The three-time NBA MVP is one of the top all-around players in the world 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. He also has discovered a crucial x-factor that makes one side of the spread a must-back! 

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 returned nearly $3,600 on his NBA picks in 2023-24!