The Reds have spent big money improving this summer, but Parlour still has a doubt.
The 23-year-old arrived from Oxford United after a goal-laden season in League Two.
Sunderland could bring in a number of new players in the weeks ahead.
The US Under-23 international midfielder got his first extended taste of senior football on loan at Rangers last season.
Serie A side Lazio are keen on the Frenchman's signature.
Valencia has rapidly fallen out of favour at the Hammers under Slaven Bilic and looks set to complete his exit.
The Reds have spent heavily on improving their forward options this summer.
The Tottenham Hotspur boss will not be bringing in any more central defenders this summer.
Warburton has been a hit at Ibrox since taking charge last season.
Leeds United have been linked with some interesting targets in recent days.
Steven Gerrard praises Everton midfielder Tom Davies, while Ian Wright is impressed with Mason Holgate.
Eric Dier is said to be happy at Tottenham Hotspur, despite interest from Manchester United.
Former England manager turned pundit Glenn Hoddle is fully expecting West Ham United to take drastic action to solve their woes next season.
Former Tottenham Hotspur youngster Nathan Byrne may have struggled at White Hart Lane - at least based on his comments at Charlton Athletic.
HITC Sport understands a number of clubs are monitoring Forest defender's contract situation.
Rob Holding impressed for Arsenal against Middlesbrough.
Leeds United slipped to defeat against Wolves.
The young Nigerian could form a devastating partnership with Moussa Dembele both domestically and in Europe.
'The region will generate the biggest fees'.
Everton winger Yannick Bolasie was following the Premier League game between Manchester United and Chelsea at the weekend.
Deutsche Bank said second-quarter revenue dropped at its prime finance unit, extending a slump beyond businesses that the lender is seeking to exit as client concerns added to volatile markets.
Crude oil prices will remain in the $45-$50-a-barrel range till mid-2017, with little to change the global supply and demand situation, Goldman Sachs said.
Sam Allardyce has suffered his first setback as England’s new manager after Bayern Munich blocked the Football Association’s attempt to make Paul Clement part of the new regime.