How to counter Talon
Let us take a look on how to beat Talon. We will look at champions who are strong against Talon and who are weak against Talon. Use win rate, gold difference and creep score difference at minute 10 to find the best 
Jungle champion who counters Talon. You can already win in champion select with the right counters for Talon. If you want to know how to counter Talon then you need to take into account the best picks vs Talon and the worst picks vs Talon. This Talon counter data is based on matches played by Pros on patch 14.21 and previous ones. It is important to see whether Pros counter picked Talon or whether they played as Talon.
Champions used by Pros to counter pick Talon
Looking at the matches from Pros (see table Pros counter picked Talon) we can see that they picked 
Viego most often to counter pick Talon. The matchup Viego vs Talon occured 26 times. Talon has 16 wins and 10 losses in this matchup. Learn how to counter pick Viego to get another perspective on the data.
Lane outcome for Talon
When looking at Talon counters you will notice that win rates alone are not conclusional. Therefore we provide an overview (see table Lane Outcome) where you can see the lane outcome of Pros who played Talon. The lane outcome of Talon consists of three outcomes: Win, Loss or Draw. Let's take a look of Talon lane and match outcome for specific matchups. Considering the lane outcome and the match outcome of a specific matchup, might enable you to find the right counter for Talon.
Conclusion
Analyze the available data and learn how to beat Talon. To master Talon take also a look on Talon builds and runes for Talon. Good luck, Summoner!