Costigan decided to move onto the United States when offered a full soccer scholarship to Augusta State University and then later to California State University, Bakersfield. After completing his senior year at Bakersfield, Costigan signed a two-year contract with the Portland Timbers of the United Soccer Leagues. Costigan led the team in assists and minutes during his time with the club and also spent time with the Los Angeles Galaxy during the Timbers off-season. Costigan then rounded out his playing career with the Harrisburg City Islanders before starting his career with Fox Soccer Channel.
Costigan began with Fox as a wise-cracking barman on Fox Football Friday before moving on to co-host Super Saturday with Nick Webster. "I was always the joker of the teams I was a part of, and when I was at Portland I did a lot of interviews with media," says Costigan.[3]
Costigan currently co-hosts Super Sunday Plus and can also be heard commentating on several games including World Cup Qualifiers, Europa League and Concacaf Champions League. Costigan also contributes to the Foxsoccer.com website with his weekly rankings and is also a regular contributor to The Kop Magazine, a monthly publication that is published in Europe and is aimed at Liverpool fans.
Costigan joined Seattle Sounders FC for the 2016 season as the play-by-play voice on their regional television broadcasts.[4] He was also the coach of Cal FC, an amateur team based in California who had previously been managed by fellow Fox Sports commentator Eric Wynalda.[5] Costigan left the Sounders broadcast team in 2023 to join Apple TV's national coverage of MLS.[6]
