Apparently Lacazette could be an easy target for Arsenal if they choose to make an offer, and after seeing him play numerous games for Lyon I would not be surprised if he made a big splash in the Premier League. He's got pace can play on the wings if needed and has been a goal scoring machine in Ligue 1 this past season.
Here's a quick highlight video from 2013/2014:
https://www.youtube.com/watch?v=314s8BL_Zy4