Expert March Madness picks for your 2017 NCAA tournament bracket

The March Madness season officially kicked off on Sunday, when the ranking and seed placement of all 68 men's teams who made the NCAA tournament bracket were announced in the annual "Selection Sunday" broadcast.

Call your uncle, wrangle up your coworkers and dial up that ex, because the fun that comes with competitively filling out your bracket(s) is about to begin.

SEE ALSO: Full schedule for each round of the NCAA tournament

This year's four No. 1 seeds are defending 2016 champion Villanova in the East, Gonzaga in the West, Kansas in the Midwest and North Carolina in the South.

Selection Committee chairman and Michigan State athletic director Mark Hollis said of the 2017 bracket, "By far, I can say with 100 percent certainty that this is the most competitive bracket I've seen." Hollis will step down from his tournament position after this year.

As you select your winners for each tournament round, take a look at who March Madness experts are saying will go all the way.

Nate Silver, FiveThirtyEight

FiveThirtyEight's NCAA tournament projection model has been around -- in one form or another -- since 2011. This year, Nate Silver's squad has outlined each team's chances of winning the championship title -- a projection that will update as the tournament moves on.

FiveThirtyEight predicts teams with best chances to win NCAA tournament:

ESPN's college basketball announce projections

ESPN's famed lineup of analysts -- including Jay Bilas, Jay Williams, Seth Greenberg and Dick Vitale -- presented their champion picks on Sunday night.

ESPN analysts announce their final four picks, champions:

CBS Sports

CBS Sports compiled a round up of projections from their top insiders. Here's who each of them has in their final four:

Matt Norlander:Norlander predicts Duke, Kansas, Arizona and UCLA in the final four, with Kansas winning it all.

SEE ALSO: Elite No. 8: The lowest seed to ever win the NCAA Championship

Chip Patterson: Patterson predicts Duke, Kansas, Arizona and North Carolina in the final four, with Kansas winning it all.

Jerry Palm: Palm predicts Duke, Kansas, Arizona and UCLA in the final four, with Duke winning it all.

Howard Megdal: Megdal predicts Villanova, Louisville, Arizona and North Carolina in the final four, with Arizona winning it all.

Dennis Dodd: Dedd predicts Villanova, Louisville, Arizona and North Carolina in the final four, with Arizona winning it all.

RELATED: March Madness: First round upsets to bet on

As is apparent in these expert predictions, there is no clear favorite to take home the national title this year. One thing is certain, though, you must complete and submit your bracket by the time of first tip off on Thursday, March 16.