On Sunday night, the biggest stars in professional wrestling finally get their showcase event for 2017. WWE's "Wrestlemania 33" pay-per-view is considered the "Super Bowl of pro wrestling" and will feature a who's who of stars in the business. Almost every championship belt is on the line, along with several other exciting matches.

A pre-show joins the main pay-per-view card to make for nearly six hours or more of wrestling action! Here's a look at how to watch WrestleMania 33 live online, as well as what time it starts and what matches will be presented.

The WWE match card

This year's WWE spectacle will be headlined by two championship matches and a battle involving The Undertaker. In this year's fight, Undertaker will take on Roman Reigns who is looking to take over "his yard." The two major championships will be contested as Goldberg defends the Universal title against Brock Lesnar and Bray Wyatt defends the World Heavyweight title against Randy Orton.

Both WWE women's titles are up for grabs. Bayley defends the "Raw" brand title against Sasha Banks, Charlotte Flair, and Nia Jax in a Fatal Fourway elimination match.

Alexa Bliss puts the "SmackDown Live" brand title up for grabs against five competitors: Becky Lynch, Carmella, Mickie James, Naomi, and Natalya. Of these competitors, Becky and Naomi held the championship before.

The Intercontinental title will be defended as Baron Corbin attempts to take the belt from Dean Ambrose. A battle of two "former best friends" will involve Chris Jericho putting his United States title on the line against Kevin Owens.

In what could provide some highly entertaining spots, "SmackDown Live" star AJ Styles takes on the show's Commissioner Shane McMahon in a "singles match" which probably will end up fought all over the arena.

There will be at least one stipulation match on the WWE card when Luke Gallows and Karl Anderson defend their "Raw" tag team titles in a ladder match.

It's also a Triple Threat as the teams of Enzo Amore and Big Cass, as well as Sheamus and Cesaro, all get involved.

Let's not forget about the mixed tag team match. In this bout, John Cena teams up with real-life girlfriend Nikki Bella to challenge the husband and wife duo of The Miz and Maryse. NBC "Today Show" personality Al Roker will serve as the special ring announcer for this WrestleMania match.

The King of Cruiserweights Neville puts his title on the line again, this time against challenger Austin Aries. That match is on the pre-show, along with the fourth annual Andre the Giant Memorial Battle Royal.

Start time & live viewing

The WrestleMania 33 pre-show is scheduled to begin at 5 p.m. Eastern Time, while the main pay-per-view begins at 7 p.m.

Eastern Time. The main PPV should last approximately four hours. For viewers in the United Kingdom, it will be a start time of 10 p.m. BST for the pre-show and midnight for the main wrestling card.

To watch the WrestleMania 33 live stream pre-show, fans can use many free options including WWE's website and social media pages such as Twitter, YouTube, Facebook, and the WWE Network. The network will also be the place to watch the main wrestling pay-per-view live streaming in its entirety. Fans who don't have the network already can sign up for a one-month free trial to watch "Mania" as well as other on-demand and live programming for the next month.
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