Box scores of #mariners games i've been to
6/25/16 W https://www.baseball-reference.com/boxes/SEA/SEA201606250.shtml
7/30/16 (@ Wrigley) W https://www.baseball-reference.com/boxes/CHN/CHN201607300.shtml
8/19/16 W https://www.baseball-reference.com/boxes/SEA/SEA201608190.shtml
4/20/21 L https://www.baseball-reference.com/boxes/SEA/SEA202104200.shtml
6/14/21 W https://www.baseball-reference.com/boxes/SEA/SEA202106140.shtml
7/10/21 W https://www.baseball-reference.com/boxes/SEA/SEA202107100.shtml
8/15/21 L https://www.baseball-reference.com/boxes/SEA/SEA202108150.shtml
Also saw Rangers/Orioles at Camden Yards 7/20/17 https://www.baseball-reference.com/boxes/BAL/BAL201707200.shtml
I also saw chipper jones, andruw jones, and at least one of the braves' dominant 90's pitchers, but I don't remember the dates so I can't grab the box scores (was a child)
In terms of Hall of Famers I've seen play, Beltre and Molina are locks. Ohtani and Donaldson have an MVP, Arrietta won a Cy Young, Hamels a World Series MVP, Britton/Diaz/Chapman/Jansen Reliever of the Year