Signed on January 11, 2012
FC Midtjylland (2006-11), Skive IK (2007-08, loan)
- 2006-11: Made 63 appearances and 30 starts for FC Midtjylland of the Danish Superliga, tallying four goals.
- 2007-08: Loaned to Skive IK of the Danish 1st Division. Started all 16 games he appeared in, scoring one goal.
Has made 20 appearances with the U18, U19, U20, and U21 Danish National Teams. Scored lone international goal with the U20 National Team in 2007.
His father, John Sivebaek, played for Manchester United and scored the first goal under Sir Alex Ferguson.