Florida Marlins vs. Cincinnati Reds. 7:10 p.m. Sun Life Stadium, 2267 NW 199th St., Miami Gardens. Details: www.marlins.mlb.com.
The four-day AMG Miami Beach Polo World Cup returns for its sixth year with top polo players from the US, Mexico, Brazil and Argentina and 80 Argentine polo ponies. Ends April 25. Behind The Setai South Beach, 2001 Collins Ave., Miami Beach, between 20th and 22nd streets. General admission free. Tent packages $100-$350. Details: (800) 278-7330 or www.miamipolo.com.