Complex sentence: Adams spent his entire playing career of 22 years as a defender at Arsenal, and is considered one of the club's greatest players of all time by the club's own fans and was included in the Football League 100 Legends.
Split into simpler sentences: Adams spent his entire playing career of 22 years as a defender at Arsenal. He is considered one of the greatest Arsenal players of all time by the club's own fans and was included in the Football League 100 Legends.