"These will be the most important weeks of the past three or four years for the club," Romeu told Southampton's website https://southamptonfc.com.
"The only option is to win these last four and see what the other teams will do. That is our focus now and we have to make sure everyone is always on the same side."
After the Bournemouth clash, the Saints travel to Everton and Swansea City before ending their campaign at home against champions Manchester City.
(Reporting by Aditi Prakash in Bengaluru; editing by Amlan Chakraborty)
