QPR said the 22-year-old has signed a "long-term" contract with the club but have not disclosed the exact length of the deal. Former Peterborough defender Edwards scored twice in 22 appearances during a loan spell with QPR in the second half of last season. Edwards has played 14 times in league and cup for Southampton this season, but has not featured for the Saints since 6 December.
"I think that we've had a great start and now it is up to us to continue," said Eckert. "We go all in; there is no other way. I don't shy away from being ambitious to say that we want to play for promotion, whatever that is going to look like in the end. We will go for every single point there is to take."