The striker became Mark Warburton's tenth signing of the summer on Saturday.
The young manager picked up his first win at Leeds United this weekend.
Aston Villa drew 0-0 at the iPro Stadium on Saturday.
Newcastle United won against Bristol City in the Championship on Saturday.
The winger had looked likely to depart but has recently impressed in the first team.
Roberto Di Matteo's men picked up their second clean sheet of the season as they drew 0-0 with the Rams at the iPro Stadium on Saturday evening.
Rangers have completed the signing of Joe Garner from Preston North End.
Tottenham are reportedly lining up a move for Andriy Yarmolenko.
The South African international has been linked with a move to Yorkshire this week.
Roberto Di Matteo's men were held to a 0-0 draw at the iPro Stadium.