It looks though the third time was a charm for T-Mobile and Sprint. After two previous attempts at tying the knot, T-Mobile and Sprint today officially announced that they have agreed to merge in an effort to create a powerhouse wireless company delivering 5G internet the masses. 
The move is no doubt an attempt to better compete with Verizon

Source: Hot Hardware – T-Mobile And Sprint Announce Merger, John Legere To Lead Company Towards 5G Future