Some of the sports stories The Associated Press is covering Tuesday. A full Sports Digest will be sent at about 3 p.m. All times EDT.
— BOSTON — The anniversary of the Boston Marathon bombings start with a wreath-laying ceremony at the site of the twin explosions. Three people died and more than 260 were injured in the attack.
— NEW YORK — Baseball holds tributes across the country on Jackie Robinson Day, marking the date the game's racial barrier ended in 1947.
— PRETORIA, South Africa — Wrapping up five days of relentless cross-examination of Oscar Pistorius, the chief prosecutor insists the Olympic runner intentionally shot his girlfriend to death.
— Stanley Cup playoffs begin Wednesday. Previews on the three games: Montreal at Tampa Bay; Columbus at Pittsburgh; and Dallas at Anaheim.
— TORONTO — The NHL holds its lottery to determine the order for the first 13 selections of the June draft. The Buffalo Sabres have the best chance of landing the top pick. Draft starts 8 p.m.
— VERO BEACH, Fla. — Former standout receiver Chad Johnson is to work out for the CFL's Montreal Alouettes on Tuesday night. Johnson, once known as Ochocinco, hasn't played in the NFL since 2011.
— MINNEAPOLIS — Rick Adelman has had one of the NBA's most quietly successful coaching careers. His last game could come Wednesday night when the Timberwolves wrap up a 10th straight nonplayoff season.
— INDIANAPOLIS — The Pacers have the No. 1 seed in the East and might rest their starters Wednesday. On Monday, the Miami Heat rested LeBron James and Chris Bosh, giving up the chase for the top seeding.
— LONDON — Jamaican sprinter Veronica Campbell-Brown is cleared of doping because of flaws in the test collection procedures and possible "environmental contamination."
— MONACO — Novak Djokovic, Jo-Wilfried Tsonga and and David Ferrer advance to the third round of the Monte Carlos Masters.
— LIVERPOOL, England — About 30,000 people, including Liverpool players past and present, are to attend a memorial at Anfield on the 25th anniversary of the deadly Hillsborough Stadium disaster.