What Arsenal would give to have a striker like Thierry Henry right now. The Gunners need a centre-forward who knows how to score goals at Henry’s sort of rate, and, unfortunately, they were unable to secure that kind of player in the January transfer window. Arsenal were linked with a number of strikers last month, and one of those was Ollie Watkins. The England international is flying at Aston Villa right now, and speaking on the Football’s Greatest Podcast, Paul Merson has given Watkins some unique praise. Merson was discussing Thierry Henry’s style of play when he was at Arsenal, and he say…