Week 3 of the Fantasy football season is in the books and it's time to decide who to start and who to sit in Week 4. 

But before you finalize your roster for Week 4, you'll want to see what SportsLine Fantasy analyst Brandon Marianne Lee has to say. Lee is a radio host on SiriusXM Fantasy Sports Radio, an on-camera analyst for Fantasy Alarm, and a Fantasy contributor to The Athletic.

Now, she's giving SportsLine members 12 unconventional players to consider for starting lineups in Week 4. One we'll give away: Giants quarterback Eli Manning, who has a dream matchup against the Saints. 

"Do I want to start this article by endorsing Eli Manning? No, but numbers are numbers," Lee said. "The Saints are allowing the absolute most Fantasy points to opposing quarterbacks. They have allowed 10 total passing touchdowns in three outings. They have allowed an average of 336.7 passing yards per game."

Lee has also identified an undervalued tight end who is now a "weekly must-start." This pick could be the difference between winning your Week 4 matchup or going home with a loss.

So which 12 players absolutely need to be in Fantasy lineups in Week 4? And which undervalued tight end needs to be lineups? ... Join SportsLine now to see the list of 12 players to start in Week 4, all from a proven Fantasy expert who can give you a huge edge in your league.