Career
He is a product of the club"s academy. Brentford
Senior began his youth career at Brentford and was the standout player in the Bees U15s" triumph in the Junior category in the 2012 Milk Cup. He broke into the youth team during the 2012-2013 season and also made his Development Squad debut.
Senior signed a two-year scholarship deal in the summer of 2013.
He topped the youth team appearance charts in the 2013-2014 season with 25 appearances and scored six goals. After 25 youth and Development Squad appearances during the 2014-2015 season, Senior signed a two-year Development Squad contract in June 2015.
Senior made his first team debut in a 4–0 League Cup first round thrashing at the hands of Oxford United on 11 August 2015, starting the match and lasting 75 minutes before being substituted for Akaki Gogia. He was an unused substitute for the following two matches before returning to the Development Squadron
= Wycombe Wanderers (loan) Senior signed for high-flying League Two side Wycombe Wanderers on a one-month youth loan on 9 January 2015.
After four further matches as an unused substitute, Senior made the first senior appearance of his career in a 2–0 defeat to Plymouth Argyle on 10 February. He returned to Brentford the following day.
