League Two Torquay United have agreed a loan deal to keep Reading defender Angus MacDonald at Plainmoor until the end of the season.
The 20-year-old has been challenged by boss Martin Ling to prove he is worth of a permanent deal with the Gulls.
"It's a four-month trial, in effect," Ling told the Western Morning News.
"In all the last three games, Gus has stood up to the demands of League Two football well, and he will be a valuable part of the squad between now and the end of the season.
"He has been with us once before and now he's got to prove that he deserves a longer contract next year."