The Miami Dolphins visit the Jacksonville Jaguars on Thursday Night Football. Jacksonville is a three-point favorite and the over-under is 49 in the latest Dolphins vs. Jaguars odds from William Hill. Before locking in any picks of your own, you NEED to see what SportsLine's all-time No. 1 NFL expert, Mike Tierney, has to say. 

A national sportswriter whose work appears in the New York Times and Los Angeles Times, Tierney has covered the NFL for decades and reported from seven Super Bowls. He prefers to evaluate each game from the underdog's point of view and has used that philosophy to dominate the NFL, going 66-44 against the spread in 2019 and 63-46 in 2018. 

Tierney entered the 2020 season with a 282-222 record at SportsLine (2016-19) on all NFL picks, returning $3,704 to $100 players, and is 10-3 in his past 13 NFL against-the-spread picks and hit all six of his Week 1 picks. He's also had a sharp eye for the tendencies of both the Dolphins and Jaguars, posting a stunning 19-7 record on against the spread picks for or against Miami and Jacksonville! Anyone who has followed him is WAY UP.

Now, he's studied Dolphins vs. Jaguars from every possible angle. We can tell you he's leaning Under 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.

So who wins Dolphins vs. Jaguars on Thursday Night Football? And what critical X-factor makes one side of the spread a must-back? ... Join SportsLine right now to see which side of the Dolphins vs. Jaguars spread you should be all over on Thursday, all from the expert who's a combined 19-7 on picks involving Miami and Jacksonville!