|Date of birth||18 February 1982|
|Place of birth||Cape Town, South Africa|
|Height||6 ft 0 in (1.83 m)|
|Playing position||Defender, Midfielder|
|2000||Vasco da Gama|
|2005||Milwaukee Wave United||17||(2)|
|2012||San Antonio Scorpions||26||(3)|
|2000–2003||South Africa U23|
|* Senior club appearances and goals counted for the domestic league only and correct as of 4 July 2013.
† Appearances (Goals).
Born in Cape Town, Greenfield began his career in his native South Africa, playing professionally for Cape Town-based team Vasco da Gama in 2000, and then for Mamelodi Sundowns in the South African Premier Soccer League from 2000 to 2003.
Greenfield moved to the United States in 2004, and has since divided his time playing both outdoor and indoor soccer, for Milwaukee Wave United and Minnesota Thunder in the USL First Division, and for Milwaukee Wave, Detroit Ignition and Baltimore Blast in the Major Indoor Soccer League and the National Indoor Soccer League.
Greenfield represented South Africa internationally at U-23 level, but has never played for the senior South African team.