Syvret spent his junior career with the London Knights of the OHL, eventually being named team captain. In his final year of junior hockey, he was captain of a powerhouse team that broke numerous junior hockey records and won the 2005 Memorial Cup, and is considered one of the most dominant junior teams in history. Syvret was the recipient of the OHL and CHL Defenceman of the Year in 2005. Danny also made another mark on history when he was part of the Canadian World Junior team that won the gold medal in 2005, tallying the game-winning goal.