As Rene Rivera prepares to return to Angels, rookie catcher duo will be broken up

SAN DIEGO — The time for the Angels to rely on a pair of rookie catchers is coming to an end.
Veteran René Rivera, who has been out for three months after undergoing knee surgery, was back in the clubhouse on Tuesday and proclaimed himself ready to return.
If Rivera is activated on Wednesday, either Francisco Arcia or José Briceño will be going down to Triple-A for a couple weeks before rosters expand in September.
In the three weeks the two shared the catching duties,