Harper is currently starring for Malaga in Spain, and Celtic need a striker.
Rangers desperately need another striker in the January transfer window.
West Ham United did not feel Sead Haksabanovic was ready for the Premier League and he is now struggling in Spain with Malaga.
Sead Haksabanovic impressed for Premier League outfit West Ham United in pre-season but Manuel Pellegrini sent him to Malaga
Spanish striker Sandro Ramirez is back at Everton after spending the latter half of last season on loan with Sevilla.
Mario Husillos is expected to be announced as West Ham's new transfer chief.
Diego Rolan had his heart set on a move to the Premier League and Newcastle United last summer but instead signed for La Liga outfit Malaga.
Nottingham Forest need a goalkeeper and Everton's seldom-seen shot-stopper Joel Robles is on the Championship side's radar.
Roque Mesa has only started one Premier League game for Swansea City and could now return to La Liga.
Eduardo Herrera has struggled at Ibrox since joining Rangers in the summer from Pumas.
Arsenal youngster Ainsley Maitland-Niles was hooked off at half-time by Unai Emery.
Arsenal striker Gabriel Martinelli hit the back of the net for Unai Emery's side again last night.
Fraser Forster, on loan from Southampton, played well for Neil Lennon’s Celtic against Lazio.
Neil Lennon’s Celtic won against Lazio at Celtic Park in the Europa League on Thursday.
Steven Gerrard’s Glasgow Rangers drew with FC Porto on Thursday.
The former Liverpool winger is feeling fitter than ever working with the coaches at Ibrox since arriving at Rangers.
Alex Oxlade-Chamberlain scored twice as Jurgen Klopp's Premier League leaders thrashed Belgian champions Genk on Wednesday.
Garry Monk will welcome his old club Leeds United to Hillsborough on Saturday as they face off against Sheffield Wednesday in a mouthwatering clash.
Tottenham Hotspur have shown a willingness to buy from the Football League recently.
Arsenal boss Unai Emery has suggested that he tried to sign Liverpool midfielder Fabinho last season.
Real Madrid’s fans gathered at the fountain of Cibeles, celebrating before their team had even finished playing at Rosaleda.
The Spaniard was a free transfer just last summer after being released by Barcelona.
Barcelona’s fate was in their own hands, which as it turned out was the worst place it could possibly be. Saturday’s story was the story of the season in Spain: everything changed to stay the same, the table remaining unmoved.