No. 12 Tennessee could have two players limited in Sunday’s exhibition game No. 17 Indiana at Food City Center. Head coach Rick Barnes said before practice Friday afternoon that both senior guard Jahmai Mashack and sophomore forward JP Estrella have been “hampered” after colliding and hitting knees in a recent practice. “They both hit knees the other day in practice and they both have been hampered by that,” Barnes said. “But we’ll see today. I think they’ll both will do a little bit and we’ll see by tomorrow. And then we’ll see by what, how it happens. “But if (they can’t play), it’s just an …