Roberts could follow in the footsteps of ex-Rangers man Hemmings by moving to Ibrox.
Rangers manager Pedro Caixinha is crying out for a prolific goalscorer, and former Ger Kane Hemmings has been scoring for fun in recent seasons.
The Dundee striker has been linked with Leeds United, Aston Villa, Queens Park Rangers, Derby County and Bolton Wanderers.
A report this week claimed that the 20-year-old is unlikely to move to Ibrox this summer.
The Dundee striker is hot property for the summer.
Dundee striker Kane Hemmings is wanted by Aston Villa and QPR, according to reports.
Rangers will take on Dundee at Ibrox in the Scottish Cup this weekend.
Rangers take on Dundee next month, meaning Kane Hemmings returns to Ibrox.
Dundee striker Kane Hemmings has looked back on his time at Rangers.
Former Rangers striker Kane Hemmings is set to play in the Scottish Premiership next season after signing a pre-contract with Dundee.