Experts debate NFL Week 9 upset picks, fantasy football sleepers and flops and preseason predictions we got wrong

Week 9 of the strange journey that has been the 2020 NFL season features several intriguing matchups that will give a handful of teams a chance to prove they have what it takes to make some noise in the postseason.

Certainly the winner of Sunday's matchup between the Ravens (5-2) and Colts (5-2) in Indianapolis will make a statement. The Bills (6-2), after beating the Patriots last week, also can take another big step forward if they can hand the Seahawks (6-1) just their second loss.

And it's not just about the AFC. We'll learn more about NFC contenders Green Bay (5-2) and San Francisco (4-4), as well as New Orleans (5-2) and Tampa Bay (6-2) after they clash on Thursday night and Sunday night, respectively.

We asked our experts for their thoughts on the biggest potential upsets, fantasy football flops and sleepers, and one of their biggest preseason prediction regrets.

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What's your top upset pick for Week 9?

Mike Clay, fantasy writer: 49ers (+4.0) over Packers. The 49ers have been decimated by injuries this season, but consider this: Their offense is averaging 3.3 touchdowns per game and their defense is allowing 2.1 touchdowns per game. Believe it or not, both of those numbers are better than their 2019 rates. The offense has still been able to move the ball when Nick Mullens has been on the field, and the run-first 49ers will benefit this week from a Packers defense that has been crushed by running backs this season. The Niners have a shot to pull this one off at home.