Phil Mack is a rugby union scrum-half who played for the Seattle Seawolves in Major League Rugby (MLR). He was the Seawolves head coach, winning an MLR Championship Shield in 2018. He also plays for the Canada national rugby union team. He is currently an assistant coach for the Pacific Pride rugby team.

The Seattle Seawolves are an American professional rugby union team based in Tukwila, Washington. The team was founded in 2017 and competes in Major League Rugby (MLR), the top-level rugby union competition in the United States that began play in 2018. The Seawolves won two MLR championships in 2018 and 2019, and lost in the 2022 final. They play at Starfire Sports, a 4,500-seat stadium in Tukwila that primarily serves soccer teams.