Arsenal could be set to sell some popular players this summer in what will be a busy transfer window for incomings and outgoings. Mikel Arteta wants to strengthen his squad beyond the starting XI, and build a team with a strong bench who he can turn to throughout next season. Arteta attracted some criticism for failing to rotate his key players, with Bukayo Saka playing a lot of games whilst Reiss Nelson made just one league start, and several stars may now move on. Emile Smith Rowe is another player who hardly featured all season, with just 474 minutes of action across all competitions, and h…