Rotherham United youngster Mason Warren has joined Matlock Town on a one month Youth Loan until 16th January 2017.
The 19-year-old, who made a temporary switch to Grantham Town earlier this season, joined the Gladiators in time for their hosting of Whitby Town at the weekend which they won 2-1.
Warren featured for the Millers on their pre-season tour of Poland and appeared in the club's EFL Cup clash with Morecambe this season and has been heavily involved in the club's reserve fixtures this term.