Soccer

	Dynamo bring back Serioux The Houston Dynamo acquired defender/midfielder Adrian Serioux from Toronto FC in exchange for a third-round pick in the 2011 draft, the Major League Soccer clubs announced on Friday.
	Fire sign former Fulham striker John The Chicago Fire Soccer signed 24-year-old Dutch forward Collins John, the Major League Soccer club announced on Friday.
	New York officially adds midfielder Robinson Red Bull New York acquired midfielder Carl Robinson from Toronto FC in exchange for a fourth-round selection in the 2011 draft, the Major League Soccer club announced on Thursday.
	Report: MLS players set to strike if CBA isn't reached Major League Soccer players overwhelmingly voted to strike if a new collective bargaining agreement isn't reached with the league by the season opener on March 25, according to a report in The Washington Post.
	United enters into partnership with Japanese club D.C. United and Japanese club FC Machida Zelvia have entered into a technical, developmental and marketing partnership, the Major League Soccer club announced on Thursday.
	Red Bulls sign former TFC 'keeper Sutton Red Bull New York signed goalkeeper Greg Sutton, the Major League Soccer club announced on Thursday.
	Chivas USA's Victorine retires Chivas USA midfielder Sasha Victorine has retired from Major League Soccer after 10 seasons, the club announced on Wednesday.
	Columbus ties Toluca in Champions League The Columbus Crew earned a hard-fought 2-2 draw with Mexican power Toluca in the first leg of their CONCACAF Champions League quarterfinal series in Columbus on Tuesday night.
	Houston signs academy player to developmental contract The Houston Dynamo signed Dynamo Academy product Francisco Navas Cobo to a developmental contract, the Major League Soccer club announced on Tuesday.
	Dallas officially adds Hartman FC Dallas acquired goalkeeper Kevin Hartman from the Kansas City Wizards for a second-round pick in the 2012 draft and signed him to a contract, the Major League Soccer clubs announced.