Software is about to eat live sports. The signs have been coming for some time. Apple$Apple(AAPL)$ pioneered the trend by buying the rights to Friday night baseball and MLS soccer. It is rumored to be interested in Sunday Ticket for NFL streaming.Now Amazon$Amazon.com(AMZN)$ is strongly favored to buy the rights to one of the biggest football competitions in the world — the UEFA Champions League — in one of its biggest markets — the UK. This follows the deal announced in March, an 11-year deal, valued at $1bn (£824m) annually, for Amazon to broadcast live NFL football in the US.These deals highlight the next stage in the competition between broadcast, cable, and satellite networks on one side and streaming gia