What is Michael Ballam's sexual orientation?

It depends on which one you are talking about:

Michael Ball (singer) (born 1962), English singer and actor

Michael Ball (footballer) (born 1979), English football player

Michael Ball (American football) (born 1964), a retired American Football player

Michael Ball (bishop) (born 1932), Bishop of Truro, 1990-1997

Michael Ball (fashion mogul), CEO of Rock and Republic