Aston Villa and Birmingham City have reportedly shown an interest in the player, but Leicester have 'stepped up' their pursuit.
Brendan Rodgers' pulling power could come to the fore again as Celtic aim to fight off Everton and Liverpool for Oxford United's Marvin Johnson.
Celtic are just one of many clubs interested in the Oxford United winger - but Rangers know just how good he can be.
Celtic and Manchester City have reportedly joined the race to sign Oxford United star Marvin Johnson.
Aston Villa and West Bromwich Albion are among the clubs linked with moves for Oxford United's Johnson.
The Oxford United winger was once offered a scholarship at Birmingham City but Aston Villa may beat The Blues to his signature.
The Oxford United attacker ripped Rangers to shreds in his Motherwell days - could he make amends by moving to Ibrox in the summer?
Aston Villa, West Bromwich Albion and Birmingham City are amongst the clubs that are chasing Oxford United winger Marvin Johnson, according to reports.
The Oxford United winger has been in impressive form this season, and is now reportedly on Derby County's radar.
The 22-year-old doesn't appear to be part of Paul Lambert's plans at Wolves.