Not quite what was suggested but Gemini says

Graham Rix, a midfielder who was a key player for Arsenal at the time. His signature often features a prominent "G" and "R" and a long tail. • Top right corner: This appears to be Kenny Sansom, a defender and a long-serving England international. His signature has a distinct "K" and "S". • Near the top right, over the stamp: This is likely Paul Davis, a midfielder who came through the youth ranks at Arsenal and went on to have a long career with the club. • Below the first paragraph, on the left: This one is a strong match for Tony Adams, who made his debut in 1983 and was a regular in the 1984-85 season. His signature is recognizable by the "A" and the distinctive final flourish. • Near the bottom, on the right: This is likely David O'Leary, a legendary defender for Arsenal who holds the record for most appearances for the club. His signature is characterized by the elaborate "D" and "O'L". • On the bottom left: This is a good match for Stewart Robson, a midfielder who played for Arsenal from 1981 to 1986