Can a player come back after retirement?

Question

There are times when the third umpire is unable to come to a firm conclusion about a decision, even after the use of multiple replays.
What should happen in this case?

Answer 1

Yeah, Happened with Brendon Taylor of Zimbabwe. He gave his retirement in 2015 after playing a great knock against INDIA . After a long two years Taylor, he was released from his county deal with Nottinghamshire and then he represented Zimbabwe in International Cricket.