Born in Ondarroa, Biscay, Bergara began his career in his native Basque Country with Athletic Bilbao, and represented the Spain under-18 team in 1980.
[2] He made his professional debut with Deportivo Alavés, signing with Real Murcia CF of La Liga in 1986 and remaining in the top division the following nine seasons, but almost exclusively as a backup or third choice.
[3] Bergara also played for Real Sociedad and CD Logroñés, appearing in 19 league matches during the 1994–95 campaign as the La Rioja side finished last with only 13 points and 79 goals conceded.
[6] In summer 2009, as the manager left for the Premier League to sign for Wigan Athletic, Bergara joined him at the Latics.
[8] Bergara followed Martínez to Belgium in August 2016, where he became one of the two goalkeeping coaches alongside Erwin Lemmens.