Evans will only be allowed to leave The Hawthorns once the Baggies have a replacement.
Their preferred target is Manchester City's Eliaquim Mangala and with Manchester City the preferred destination for Evans, that deal would appear straightforward.
However, Mangala would prefer to join Inter Milan.
To further complicate matters, Inter's prime target is thought to be Arsenal's Shkodran Mustafi.
But the Gunners will only sanction the departure of Mustafi if they have a replacement, ideally Evans.
But, as mentioned, West Brom will not let Evans go unless they have a replacement - ideally Mangala - and Manchester City will not let Mangala join West Brom unless they get Evans.
Get all that?
BreakingCity want Sanchez
Manchester City
Getty ImagesCopyright: Getty Images
BBC Sport's David Ornstein and Simon Stone: "Manchester City want to sign
Arsenal forward Alexis Sanchez before Thursday's transfer deadline.
"The Chile international hit 24
Premier League goals for Arsene Wenger's side last season but is out of
contract next summer and is yet to agree a new contract at the Emirates
stadium.
"Manager Pep Guardiola is
understood to want to bring in Sanchez, 28, as a straight purchase."
Post update
Alexis Sanchez transfer news coming your way...
Who's in your team of the week?
Premier League
Liverpool dominate and, unsurprisingly, no Arsenal players make the cut.
But here is who made BBC Sport readers' team of the week...
Monaco have had a £28m bid for forward Keita Balde accepted by Lazio.
The 22-year-old Senegal international is expected in Monte Carlo today for a medical, report Sky Italia.
What does that mean for the future of Liverpool-linked Thomas Lemar?
BreakingWest Brom close to bagging Gibbs
David Ornstein
BBC Sport
Getty ImagesCopyright: Getty Images
West Brom are close to completing the signing of
left-back Kieran Gibbs from Arsenal.
The clubs have agreed a fee in the region of £5m for the
27-year-old, who had also been in talks with Watford and Galatasaray.
He still needs to undergo a medical and sign his
contract.
Answer to 'how much will Chelsea bid for Mahrez?'
According to Tribal Football, Premier League champions Chelsea are ready to make a £46.5m bid for Leicester winger Riyad Mahrez.
The quickest out of the traps was Jack Rozycki. Well done.
Your prize is on its way...
Getty ImagesCopyright: Getty Images
Post update
Mahrez answer coming up...
Reds up Lemar offer
Liverpool
Getty ImagesCopyright: Getty Images
Liverpool are to increase their offer for Monaco's Thomas Lemar to around £75m, as they look to seal a club-record deal.
The Reds’ bid of around £65m was turned down by the Ligue One champions who are reluctant to sell the France international, report the Liverpool Echo.
Get Involved
#bbcsportsday
How much are Chelsea reportedly bidding for Riyad Mahrez?
Ewan Macdonald: £35m.
Darren Addy: £60m for Mahrez.
Jed Michael: £55m for Mahrez. He must be worth at least Townsend x2.
Nope. Stay tuned for the correct answer.
Ox to decide on move
Arsenal
Getty ImagesCopyright: Getty Images
Arsenal midfielder Alex Oxlade-Chamberlain is close to joining Premier League champions Chelsea for £40m.
The England player, 24, will be out of contract next summer and has refused to sign a new deal at Emirates Stadium.
Oxlade-Chamberlain is yet to decide if he wants to join Chelsea or Liverpool, but as things stand the only firm offer Arsenal have received is from Chelsea.
No go for Gibbs
Watford
Getty ImagesCopyright: Getty Images
Watford have pulled out of a deal to sign Arsenal full- back Kieran Gibbs after failing to agree personal terms with the player.
Gibbs, 27, is in the final year of his contract at the Emirates and has been told he can leave the club, report Sky Sports.
Classic howlers
After two goalkeeping errors at the weekend - look away Ross County's Scott Fox and Celtic's Craig Gordon - we take a look at some memorable mistakes that those playing in between the sticks have made in Scottish football.
Watch below
Video content
Video caption: WATCH: Classic goalkeeping howlers in Scottish footballWATCH: Classic goalkeeping howlers in Scottish football
Live Reporting
Shamoon Hafez
All times stated are UK
Get involved
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
Rex FeaturesCopyright: Rex Features 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
.Copyright: . 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images 
Getty ImagesCopyright: Getty Images Video caption: WATCH: Classic goalkeeping howlers in Scottish footballWATCH: Classic goalkeeping howlers in Scottish football
Latest PostGoodbye
That is your lot for today.
Head here to follow the conclusion in the second Test between England and West Indies
Ins and outs at Newcastle?
Newcastle United are still hoping to make another two signings before the close of the transfer window but have to sell players first.
The Telegraph reports that despite spending £40m on new acquisitions this summer, there is still some money available.
Everton's Zohore move rebuffed
Phil McNulty
BBC Sport chief football writer
Everton's inquiry for striker Kenneth Zohore has been rejected by Championship side Cardiff.
It means pressure is mounting on the Toffees to bring in the high-class striker they knew they would need.
Zohore, 23, would have represented an addition to the squad, but the Bluebirds say they are determined to hold onto the player.
Everton have done very good business - but this is the key move of the summer.
Baggies want Pantilimon
West Bromwich Albion
West Brom have been linked with a move for Watford goalkeeper Costel Pantilimon.
The 30-year-old Romanian international would provide cover for Baggies number one Ben Foster, report the Birmingham Mail.
Krychowiak to Leicester?
Leicester City are considering a move for Paris Saint-Germain midfielder Grzegorz Krychowiak with Danny Drinkwater’s future at the club in doubt.
Premier League champions Chelsea are reported to have had two bids rejected for Drinkwater, with the largest said to be around £32m.
Meanwhile, Leicester have enquired about Poland international Krychowiak, 28, report the Leicester Mercury.
Cracking player.
Get Involved
#bbcsportsday
David Porter: Arsenal will be lucky to have team left come Friday!
Mclovin: Just realised, if Man City sign Sanchez, he could play Liverpool twice in consecutive premier league games, if fit.
Mbappe passes medical
Monaco striker Kylian Mbappe has passed a medical ahead of a loan move to Ligue 1 rivals Paris St-Germain.
The 18-year-old underwent test at Clairefontaine, where he is currently training with the France national team, report broadcaster TF1.
PSG will sign Mbappe for £166m next summer having already completed a world-record £200m deal for Neymar in this transfer window.
Transfer merry go round
David Ornstein
BBC Sport
Bear with me on this one...
Arsenal have joined Manchester City and Leicester City in the race to sign West Brom centre-back Jonny Evans.
Evans will only be allowed to leave The Hawthorns once the Baggies have a replacement.
Their preferred target is Manchester City's Eliaquim Mangala and with Manchester City the preferred destination for Evans, that deal would appear straightforward.
However, Mangala would prefer to join Inter Milan.
To further complicate matters, Inter's prime target is thought to be Arsenal's Shkodran Mustafi.
But the Gunners will only sanction the departure of Mustafi if they have a replacement, ideally Evans.
But, as mentioned, West Brom will not let Evans go unless they have a replacement - ideally Mangala - and Manchester City will not let Mangala join West Brom unless they get Evans.
Get all that?
BreakingCity want Sanchez
Manchester City
BBC Sport's David Ornstein and Simon Stone: "Manchester City want to sign Arsenal forward Alexis Sanchez before Thursday's transfer deadline.
"The Chile international hit 24 Premier League goals for Arsene Wenger's side last season but is out of contract next summer and is yet to agree a new contract at the Emirates stadium.
"Manager Pep Guardiola is understood to want to bring in Sanchez, 28, as a straight purchase."
Post update
Alexis Sanchez transfer news coming your way...
Who's in your team of the week?
Premier League
Liverpool dominate and, unsurprisingly, no Arsenal players make the cut.
But here is who made BBC Sport readers' team of the week...
Agree or disagree?
Leave your comments here
Balde bid accepted
Monaco have had a £28m bid for forward Keita Balde accepted by Lazio.
The 22-year-old Senegal international is expected in Monte Carlo today for a medical, report Sky Italia.
What does that mean for the future of Liverpool-linked Thomas Lemar?
BreakingWest Brom close to bagging Gibbs
David Ornstein
BBC Sport
West Brom are close to completing the signing of left-back Kieran Gibbs from Arsenal.
The clubs have agreed a fee in the region of £5m for the 27-year-old, who had also been in talks with Watford and Galatasaray.
He still needs to undergo a medical and sign his contract.
Answer to 'how much will Chelsea bid for Mahrez?'
According to Tribal Football, Premier League champions Chelsea are ready to make a £46.5m bid for Leicester winger Riyad Mahrez.
The quickest out of the traps was Jack Rozycki. Well done.
Your prize is on its way...
Post update
Mahrez answer coming up...
Reds up Lemar offer
Liverpool
Liverpool are to increase their offer for Monaco's Thomas Lemar to around £75m, as they look to seal a club-record deal.
The Reds’ bid of around £65m was turned down by the Ligue One champions who are reluctant to sell the France international, report the Liverpool Echo.
Get Involved
#bbcsportsday
How much are Chelsea reportedly bidding for Riyad Mahrez?
Ewan Macdonald: £35m.
Darren Addy: £60m for Mahrez.
Jed Michael: £55m for Mahrez. He must be worth at least Townsend x2.
Nope. Stay tuned for the correct answer.
Ox to decide on move
Arsenal
Arsenal midfielder Alex Oxlade-Chamberlain is close to joining Premier League champions Chelsea for £40m.
The England player, 24, will be out of contract next summer and has refused to sign a new deal at Emirates Stadium.
Oxlade-Chamberlain is yet to decide if he wants to join Chelsea or Liverpool, but as things stand the only firm offer Arsenal have received is from Chelsea.
No go for Gibbs
Watford
Watford have pulled out of a deal to sign Arsenal full- back Kieran Gibbs after failing to agree personal terms with the player.
Gibbs, 27, is in the final year of his contract at the Emirates and has been told he can leave the club, report Sky Sports.
Classic howlers
After two goalkeeping errors at the weekend - look away Ross County's Scott Fox and Celtic's Craig Gordon - we take a look at some memorable mistakes that those playing in between the sticks have made in Scottish football.
Watch below
Video content