MLB expansion: Portland continues to build buzz for baseball

The business behind MLB expansion: Portland, Montreal and Raleigh taking different approaches to landing a team

History of baseball in Portland, Oregon - Wikipedia

Portland MLB expansion: MLB Expansion: All you need to know about Portland's rumored expansion team

Portland MLB expansion: MLB Expansion: All you need to know about Portland's rumored expansion team

MLB expansion: Portland continues to build buzz for baseball around town - The Athletic

Bookies.com oddsmaker see Portland second only to Nashville for MLB - Portland Business Journal

SBJ Daily: Questions still remain following Chicago Bears' purchase of Arlington Park property