Baseball fever It's a double double-header weekend for baseball fans, with both National and American league championship series scheduled on CBS (Channel 11). In the National League, the Pirates and Braves play games three and four in Atlanta at 3 p.m. today and 8:30 p.m. tomorrow. In the booth to call the action are Jack Buck and Tim McCarver. And the American League's Twins and Blue Jays meet in games four and five in Toronto at 8:30 tonight and 4 p.m. tomorrow. The AL broadcast team is Dick Stockton and Jim Kaat.
Goucher College's Open Circle Theatre is presenting Anton Chekhov's dark comedy, "Uncle Vanya." Directed by Jean Wilhelm, professor of theater at the college, the play stars Michael Simon-Curry, assistant professor of theater, and features Goucher students. Set in the Russian countryside at the end of the 1800s, the story tells of Uncle Vanya's valiant attempts to cope with the intrusion of his city relatives, who are turning his life upside down. 8 p.m. Mildred Dunnock Theatre in the Meyerhoff Arts Center. Tickets: $6 and $4. Call 337-6512. Two classical music series open this weekend. Concert Artists under Edward Polochick plays an all-Mozart program featuring the Requiem at 8 tonight at Friedberg Concert Hall, Peabody Institute. Tickets are $17.50; $12 for seniors and students. Call 628-0027. The Cathedral Concert series at the Cathedral of Mary Our Queen, 5300 N. Charles St., opens tomorrow at 5:30 p.m. with flutist Heidi Winiger and pianist Lee Mitchell playing Swiss and American music. Admission is free, but donations are accepted.