Please Riot can we revert to the old client

This new client has just been getting worse.. Its extremely slow in every aspect. After I win a match it takes so long loading out of the match and into the client again. Its such an awful experience when its the same thing every game. The last client was quick and easy to navigate while being fast in and out of games. And its not like I have a slow pc either. Is there anyway we can switch back to the old one? This new client is really ruining the experience of league of legends.