NFL owners unanimously approved changes to the personal conduct policy on Wednesday.
Major League Baseball owners have voted to move ahead with a vast expansion on instant replay next season.
The NHL lockout has left several veteran free agents in limbo.
The NFL Players Association filed a complaint in federal court Wednesday, accusing the league of colluding to impose a secret salary cap during the uncapped 2010 season.
The tumultuous Frank McCourt era is over for the Los Angeles Dodgers.
NFL owners have voted in favor of a tentative agreement to end the lockout, pending player approval.