Brennan Johnson has sent a message to Nottingham Forest star Morgan Gibbs-White on Instagram. The Tottenham player was forced off on his return to the City Ground on Friday with a nasty-looking head injury. Johnson signed for Spurs during the summer transfer window. Forest recouped about £50 million for the player and he’s settling in nicely with his new club. The 22-year-old left Forest after being a big player for the club where he came through the academy. He scored 19 goals as the Reds won promotion and last season he scored eight times. Johnson sends message to Gibbs-WhiteThe player has p…