Thierry Henry is arguably the greatest player in the history of Arsenal. The legendary Frenchman joined the Gunners from Juventus in 1999, and although it took him some time to score his first goal, he became unstoppable once he found the net. Henry is Arsenal’s record goalscorer and he scored some truly incredible goals. His finishing – from inside the box and outside – was simply sensational. Theo Walcott wasn’t a bad finisher himself, but he has now revealed that there was one player at Arsenal whose finishing was even better than Henry’s. Theo Walcott says Robin van Persie was a better fin…