In April of 2022, the Mariners made a trade for someone whose Seattle roots go back generations. In fact, the O'Brien family is the face of the Athletic Administration Center at Seattle U. Riley O'Brien said his goal is to leave a legacy just like his grandfather did. "Just from what I've heard it sounds like he just did a little bit of everything," Riley said in regard to his grandfather, Johnny O'Brien. Read more: https://www.king5.com/article/sports/mlb/mariners/mariners-obrien-grandfathers-legacy/281-3f86456a-dff6-471b-b31e-34e625b2bdac