I think they are live, but it will be free and completely Tarn biased on iFollow. https://www.barnsleyfc.co.uk/matches/fixtures/first-team/201718/july/rotherham-friendly3/ (This link may change nearer to k.o. time)
Adam Oxley @adam3oxley 2h2 hours ago Looking forward to joining @robstaton at the #NewYork today for commentary of #RUFC v #BarnsleyFC on #SummerSport @footballheaven #Season13
Correct link is https://www.barnsleyfc.co.uk/matches/fixtures/pre-season-fixtures/201718/july/rotherham-friendly3/
I'm listening to it live on Radio Sheffield. Rob Staton doing the main commentary at the moment. Sounds as though we've been doing the early pressing.