Allen, who averaged 14.5 points last season, will likely back up Dwyane Wade at shooting guard, but may also see time on the court with Wade.
TRACK AND FIELD:Tyson Gay beat Justin Gatlin in the 100 meters at the Diamond League Areva meet in Saint-Denis, France, 12 days after losing to the 2004 Olympic champion in the U.S. trials.
Gay dipped across the line in 9.99 seconds, 0.04 ahead of Gatlin.
In other events, Javier Culson of Puerto Rico won the men's 400 hurdles in 47.78 seconds, Kenya's David Rudisha took the 800 in 1 minute, 41.54 seconds, and Dejen Gebremeskel of Ethiopia won the 5,000 in 12:46.81 - all world-leading times.
Mariem Alaoui Selsouli of Morocco also set the world's fastest time this year to win the women's 1,500 in 3:56.15. Austria's Sally Pearson did, too, winning the 100 hurdles in 12.40.
Canada's Dylan Armstrong won the shot put with a mark of 67-43/4.
In other women's events, Murielle Ahoure of the Ivory Coast won the 200 in 22.55, holding off Americans Bianca Knight (22.64) and Charonda Williams (22.70).
Amantle Montsho of Botswana won the 400 ahead of Jamaica's Novlene Williams-Mills, with Francena McCorory of the United States in third.
Dani Samuels of Australia won the discus with a throw of 202-9.
VOLLEYBALL: The United States men's team defeated host Bulgaria, 3-0, in Sofia to advance to the World League semifinals. The Americans won their pool and will play Cuba, 3-0 losers to Poland, on Saturday. Poland will take on Bulgaria. The final is on Sunday.
NHL: The Montreal Canadiens re-signed center Lars Eller to a two-year contract. The 23-year-old Eller had 16 goals and 12 assists in 79 games last season.
The Minnesota Wild signed Brian Connelly, who led the AHL in scoring last season with 52 points on six goals and 46 assists, to a two-year contract.
SOCCER:Louis van Gaal was appointed Netherlands coach to succeed Bert van Marwijk, who quit after the Dutch team's terrible performance at the European Championship.
It is the second spell as national coach for the 60-year-old Van Gaal, who has had success leading Ajax, Barcelona, and Bayern Munich.
The Brazilian club Internacional signed Uruguayan striker Diego Forlan, who was voted the best player at the 2010 World Cup after scoring five goals to lead his national team to the semifinals.
- Staff and wire reports