Sources on Thursday said the Gunners had accepted an offer of £55 million plus a further £5m in add-ons for Sanchez, but the deal was dependent on Arsenal finding a replacement.
"No games now so I hope you can enjoy the next five or six days with all the rumours and all that stuff".
The Reds considered making a late move for the winger, but eventually decided against it after signing Alex Oxlade-Chamberlain from Arsenal.More news: Taylor Swift shows off feisty side in punchy new music video
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The 21-year-old, who reports suggest would prefer a move to Liverpool, is now discussing personal terms with the North London club.
The Belgian worldwide Origi has managed 12 Premier League goals from two full seasons with the Merseyside club and they are said to be willing to let him go.
Arsenal manager Arsene Wenger, who was in Paris on Thursday, described any deal for Lemar as "dead" last week because he believed Monaco had sold too many players.