Watford have signed Keith Andrews on loan from Bolton for the 2014/15 season.
Swansea have completed the signing of winger Jefferson Montero from Mexican club Morelia for an undisclosed fee.
The news was confirmed by club president Laurent Nicollin, who did not reveal the identities of the clubs who have shown an interest.
A post on the club's official Twitter account read: "Laurent Nicollin: 'we have 2 concrete offers for Y. Belhanda with whom we are in agreement, it is up to the player to choose'."
The Morocco international finished as the deposed Ligue 1 champions' joint leading goalscorer last season with 10 goals from midfield, a tally matched by striker Souleymane Camara.
The 23-year-old also collected seven yellow and two red cards as a disappointing title defence saw MHSC end up in ninth place, 31 points behind champions Paris St Germain.
Coach Rene Girard left at the end of the season and subsequently replaced Roma-bound Rudi Garcia at Lille, with former Nancy coach Jean Fernandez taking the reigns at Montpellier.