EAT
$3 Birthday Burger
Burger Boss3208 N. Southport Ave. 773-248-2677
Show your appetite-and your wallet-who's boss with this special third birthday burger featuring an angus beef patty dressed with lettuce, tomatoes, pickles and condiments on a toasted brioche bun. 11 a.m.-9:30 p.m. Through Sunday (daily hours vary).
DRINK
Stimulus Social Club
Mercer 113113 W. Hubbard St. 312-396-0113
Socialize for a good cause-door proceeds benefit Chicago Bulls Charities-at the fifth anniversary of this young professionals' mixer where your donation nets you complimentary appetizers (6-7 p.m.) and two drink tickets with dozens of guest hosts including Edward Swiderski and James Case from "The Bachelorette," Tara Clack Bell from Bravo's "100 Days of Summer" and the Chicago Luvabulls. 5:30-9 p.m. $20.
Nine For Nine
D.O.C. Wine Bar2602 N. Clark St. 773-883-5101
It's the Lincoln Park wine bar's ninth anniversary, which means that you can choose from nine different bottles of wine for $9 each. Offerings span the range of grapes from Landing Place chardonnay to Gnarly Head zinfandel and from Emeri Pink moscato to Bedell Cellars cabernet franc. 5 p.m.-2 a.m. No cover.
DO
McDonald's All American High School Basketball
United Center1901 W. Madison St. 312-455-4500
See the next Michael Jordan or Maya Moore in action as the country's top 48 high school players take the floor for the 37th annual boys' and 13th annual girls' games. And it's no joke-Jordan, Moore, Derrick Rose, Magic Johnson, LeBron James, Candace Parker and other stars are alums of this Ronald McDonald House Charities benefit. 6 p.m. $10-$135. Tickets: ticketmaster.com.
Chicago Underground Film Festival
Logan Theatre2646 N. Milwaukee Ave. 773-342-5555
The 21st annual festival of 100 avant garde and experimental features, short cuts and documentaries-and neighborhood after-parties-opens with "What I Love About Concrete," a magical realism coming-of-age tale in which a girl struggling through high school enters the world of swans. 8 p.m. $8; $60 for all-event pass. Tickets and schedule: cuff.org
REDEYE TIP OF THE DAY
"Top Chef" Season Five fan favorite Fabio Viviani cooks lunch April 6 at Siena Tavern. Get tickets: eventbrite.com
Julia Borcherts is a RedEye special contributor.