 A defenceman, he was drafted in the third round, 71st overall, by the Sabres in the 2004 NHL Entry Draft.After playing one season in the Slovak Extraliga for Dukla Trenčín, Sekera came to North America.He played two seasons with the Owen Sound Attack of the Ontario Hockey League (OHL), where in the 2005–06 season, he won the Max Kaminsky Trophy as the OHL's most outstanding defenceman.