Rangers have completed their 11th signing of the summer.
Serbian full-back Kosta Nedeljkovic has joined on a loan deal from Aston Villa, which includes a £4 million conditional obligation to buy.
The 20-year-old right-back, who has made 11 appearances for his country, joins after an 18-month loan spell at RB Leipzig.
He will join James Penrice as recent additions to Rangers' defensive line-up.
RB Leipzig sporting director Marcel Schäfer described Nedeljkovic as "the prototype of a full-back" with "pace, attacking intent and a top mentality".
The Ibrox club have also added Olwethu Makhanya and Ross McCrorie to their ranks to bolster Derek McInnes' defence.
However, a move for PSV winger Couhaib Driouech was called off after Rangers discovered the extent of an injury flagged in his medical.
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Driouech told ESPN: "It was a rollercoaster of emotions, but I am back. I think there was a disagreement between the doctors.
"I had a small tear in my thigh. I think it was made worse because I took a knock to the knee that week, and that turned into a hematoma.
"I feel good and am back on the pitch. I have no influence on what they decided there. I would have considered it a great step.
"It’s a shame, but I’m also happy to be back. You’re basically already there in your head.
"You already see yourself playing in a different kit, but it’s not the first time this has happened to me. It sucks, but that’s just how it is."
Rangers are understood to be targeting a replacement for the injured Youssef Chermiti, who suffered an AC injury last weekend, and additions in wide areas.
