Theo Walcott celebrates his goal for Arsenal Former winger Theo Walcott has officially retired from professional football at the age of 34. After a remarkable career spanning 12 years with us, beginning in January 2006 when he signed from Southampton, Walcott went on to make 397 appearances in our iconic colors, scoring an impressive 108 goals. He also represented Everton before returning to Southampton last season. During his time at Arsenal, he was a pivotal part of our successes, contributing to our FA