Appointment seen as US protest to Russia's anti-gay laws.
John McEnroe, Jimmy Connors, Pat Cash and Ivan Lendl to reconvene.
Tennis legend criticizes choice of host countries because of homosexual views.
US legend to travel with Japanese star for 20 weeks in 2014.
Wrist injury cost former No. 4 an absence of 20 months.
Mats Wilander, Tim Henman fall in finals.
American star says she'll definitely miss Auckland.