Education
In 2006, he improved to set a national junior record of 60.06 m and finished fifth at the 2006 World Junior Championships in Athletics in Beijing.
In 2006, he improved to set a national junior record of 60.06 m and finished fifth at the 2006 World Junior Championships in Athletics in Beijing.
His personal best throw is 66.00 m, set in Havana in 2010. That same year, he threw a Caribbean junior best of 58.12 m with the 1.75 kg discus. He also competed with the senior implement and was third at the national championships and sixth at the 2005 ALBA Games.
He cleared the 60 m mark numerous times in 2008, setting a new personal best of 63.31 m in Havana in June.
He was chosen to compete at the 2008 Central American and Caribbean Championships and came away with the gold medal, finishing just ahead of fellow Cuban Yunior Lastre. Fernández made his Olympic debut at the age of twenty a month later and finished 15th in his qualifying group at the 2008 Beijing Games.
He threw a new personal record mark of 63.92 m in June. In the early part of 2010, he had a throw of 64.13 m then threw 66.00 m exactly in March in Havana.
At the end of the track and field season, he was selected to represent a combined Americas team at the 2010 IAAF Continental Cup and he finished the competition in sixth place with a throw of 61.18 m.
At the 2011 World Championships in Athletics he was fourth in qualifying with a mark of 64.94 m, but fell short of this in the final, ending the final in eighth place with a best mark of 63.54 m.
The 2009 CAC Championships was held in the Cuban capital and he defended his region title to lead a discus 1–2 for the host nation alongside his compatriot Lastre.