Harper injured his arm against Everton, and he knows full well, that is the worst injury a goalkeeper can get.
Tim Krul is considered Holland's third-choice goalkeeper, but he is expected to get the call for February's friendly against Austria in Amsterdam.
Chris Hughton: "Whatever level it is, you always want to play for your country – and Timmy is no different.
"And he's getting to the age where he's playing first-team football, and he has aspirations to play at the highest level."