Here is the latest tact RIOT is employing. Queuing up Bots in PvP matches. I am Rex, my entire team was Bots and 2 bots in other team. Riot games has been very consistent in its practice of using an algorithm that matches certain players with bots in PvP matches.

http://matchhistory.na.leagueoflegends.com/en/#match-details/NA1/1836228845/201431166?tab=overview