Thomson Former opponents join Tigers Three former Colac district footballers will team up at Geelong district club Thomson this season. By Ben MartinFebruary 10, 2017 CLUB SWITCH: Colac district footballers join Thomson TWO of Colac districtโs top-three finishers in last seasonโs Jack Mahoney Medal vote count have joined Geelong district club Thomson. By Ben MartinFebruary 17, 2016