Toronto Blue Jays
Seattle Mariners
### Seattle Mariners

Although the [Seattle Mariners](/wiki/Seattle_Mariners "Seattle Mariners") are not a divisional rival, many Blue Jays fans from Western Canada travel to Seattle when the Blue Jays play there as Seattle is geographically closer to Western Canada than Toronto is. Depending on traffic and border delays, Seattle is about a three\-hour drive from [Vancouver](/wiki/Vancouver "Vancouver"). *[The Seattle Times](/wiki/The_Seattle_Times "The Seattle Times")* estimated that Blue Jays fans represented around 70 percent of the crowd in [Safeco Field](/wiki/T-Mobile_Park "T-Mobile Park") for a June 2017 weekend series.


How often does the Blue Jays play against the Seattle Mariners?