Rangers take on Motherwell in the Scottish League Cup.
The former Liverpool captain's second-half strike secured Bruce Arena's men a 1-0 home victory over the Houston Dynamo on Friday night.
Moses Odubajo suffered a suspected dislocated knee cap in Hull City's friendly fixture against Grimsby Town
Garry Monk was appointed the Leeds United head coach last month.
The midfielder has taken up the famous number eight shirt at Ibrox, once held by Paul Gascoigne.
Higuain has been strongly linked with a move to Arsenal all summer
The Belgian winger has been consistently linked with Leeds United.
Nottingham Forest beat SC Braga 3-0 to round off their pre-season trip to Portugal
The Senegal striker has recently been linked with an exit.
The Hoops suffered an embarrassing loss in the first-leg.