The French winger found himself in a Twitter spat with ex-Aston Villa defender Shaun Teale.
The Cherries are currently 10 points above the bottom three.
The 19-year-old centre-back made his first-team debut for the club in last Saturday's 4-2 defeat to Southampton.
Townsend has scored three times since his January transfer.
Tottenham Hotspur boss Mauricio Pochettino has verbally agreed a new contract which will keep him at White Hart Lane until 2021.
Newcastle United host Crystal Palace this weekend.
Brown was previously on trial at West Ham United in January, but could be poised to become a bigger part of Birmingham boss Gary Rowett's first team.
Liverpool have struggled for consistency in attacking positions this season due to injuries and poor form.
Arsenal are deeply entrenched in a battle for a Champions League spot, and their fans are not happy at the club's lack of progression.
The former Aston Villa manager has been heavily linked with the Hoops after announcing he will leave Blackburn Rovers this summer.