Original sentence: Arsenal have a large and generally loyal fanbase, with virtually all home matches selling out; in 2005-06 Arsenal had the sixth-highest average attendance for an English club (38,184, which was 99.4% of available capacity), and the fourth-highest all-time average attendance
Edited sentence: Arsenal have a large and massively loyal fanbase, with virtually all home matches selling out; in 2005-06 Arsenal had the sixth-highest average attendance for an English club (38,184, which was 99.4% of available capacity), and the fourth-highest all-time average attendance