He has previously played for Celtic, East Fife, Queen of the South, Dundee, Ross County, Partick Thistle, Greenock Morton, Motherwell and Cove Rangers.

[4] While he was at East Fife, he won the Scottish Football League Young Player of the Month Award for November 2007.

[11] On 29 January 2010, Gordon Chisholm signed Fox for Dumfries club Queen of the South from Celtic on amateur forms.

[12] On 16 February 2010, Fox debuted for the Doonhamers, in place of the suspended David Hutton, in a 3-0 win versus Ayr United at Palmerston.

[13] On 3 April 2010, Fox replaced Hutton as a substitute in the 36th minute, due to a back injury, in a 3-3 draw versus Morton at Cappielow, under the management of Kenny Brannigan.

[18] Following a bad ankle injury in late 2013, Fox was replaced by substitute keeper and ex-Scotland international Paul Gallacher for the remainder of the 2013–14 Scottish Premiership season.

[19] On 16 August 2014, Fox was sent off against Dundee in the second game of Thistle's 2014–15 Scottish Premiership campaign following an incident with Paul McGowan.

[22] On 29 May 2015, Fox made the switch to Scottish Premiership rivals Ross County, signing a two-year deal.

[23] During his time at the club, Fox helped County win the Scottish League Cup, though he missed the final due to injury.

On 22 June 2020, Fox signed a one-year deal with Scottish Premiership outfit Motherwell on a free transfer.

[26] During pre-season training he suffered an anterior cruciate ligament (ACL) injury that prevented him from playing for most of the 2020–21 season.