Sunderland sign Oviedo and Gibson from Everton

Football - Poland v Republic of Ireland - UEFA Euro 2016 Qualifying Group D - Stadion Narodowy, Warsaw, Poland - 11/10/15 Ireland's Darron Gibson warms up before the match Action Images via Reuters / Adam Holt Livepic

LONDON (Reuters) - Sunderland signed Costa Rica left back Bryan Oviedo and Ireland midfielder Darron Gibson from manager David Moyes' former club Everton on Monday.

The Premier League strugglers announced that Oviedo had signed a contract to 2020, replacing Patrick van Aanholt who completed his switch to relegation rivals Crystal Palace earlier in the day.