Cummings and Mariappa startRoyals boss Brian McDermott has made two changes to his starting line-up for the trip to Aston Villa on Tuesday evening.
Shaun Cummings and Adrian Mariappa return to action, with Kaspars Gorkss and Chris Gunter not involved.
Villa: Guzan, Clark, Holman, Westwood, Bannan, Stevens, Baker, Lowton, Agbonlahor (C), Weimann, Benteke
Subs: Given, Ireland, El Ahmadi, Albrighton, Delph, Delph, Bowery, Lichaj
Reading: Federici, Shorey, Cummings, Morrison, Mariappa, Leigertwood, Tabb, McAnuff (C), Robson-Kanu, Le Fondre, Roberts
Subs: Taylor, Pearce, Harte, Gunnarsson, McCleary, Hunt, Pogrebnyak