America II: Extreme Mud Wars: This wildly popular day of rolling in a mud pit and slinging dirt returns, this time with a beer tent. The slots for competing are sold out, but it's free to watch more than 600 people do an obstacle course, joust pit, belly bumper pit, mud tug-of-war and more. It starts at 10 a.m., Spa Beach at the Pier approach, 615 Second Ave. N, St. Petersburg. (877) 820-2582.
Tim McGraw: We like it, we love it: Hear hits and songs from the country star's upcoming album Sundown Heaven Town, including current hit single Meanwhile Back at Mama's. 7 p.m., MidFlorida Credit Union Amphitheatre at the Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $30.25-$70. (813) 740-2446.
Metrocon: The focus is anime, the style of flashy Japanese animation and artwork, But the event covers all elements of pop culture that have been influenced by anime, from video games to pop music. 10 a.m., Tampa Convention Center, 333 S Franklin St., Tampa. $10-$100. (813) 898-1310.
Dunedin Orange Festival: This old-fashioned festival celebrates the fruit that made Florida famous, with orange juice samples, family fun zone, live music, a mojo cook-off competition with citrus-infused pork dishes and the Miss Dunedin Orange Queen Pageant. 10 a.m., Edgewater Park, 51 Main St. Free admission; $10 mojo tasting ticket. (727) 330-4888.
Tampa Bay Rays vs. Toronto Blue Jays: Come to the Trop dressed in pirate gear to celebrate "Half Way to Gasparilla" and after the game catch a performance by Joan Jett and the Blackhearts. 4:10 p.m., Tropicana Field, 1 Tropicana Drive, St. Petersburg. Ticket prices vary. Toll-free 1-888-326-7297.
Marvel Universe Live!: Marvel superheroes from Iron Man to Wolverine come to life in a stunt-packed, circus-style show. There are three shows today: 11 a.m., 3 p.m. and 7 p.m., Tampa Bay Times Forum, 401 Channelside Drive, Tampa. $40-$120. (813) 301-2500.
KIDS AND FAMILY
Harry's Hotter at Twilight: The Dunedin Showcase Kids present a crazed mash-up parody of Harry Potter and the Twilight series. 2 p.m., Dunedin Community Center, 1920 Pinehurst Road, Dunedin. $5. (727) 812-4530.
The Dead Files, 10 p.m., Travel In a storm-ravaged portion of the Sunshine State, there are reports of paranormal activity and a "shadow man'' able to take possession of the living. Uh, not sure what in the hurricane preparedness kit is supposed to help with that.
MORE TO EXPLORE
Check out a map of Tampa Bay's roadside oddities at tampabay.com/things-to-do.