To give you an idea what the view of the field is like from section 325, here is a Youtube video shot from there during a Tigers/Houston Astros game at Comerica Park.
We had a great vantage from these seats - we were far enough up that we could see the whole stadium, but close enough that things were still easy to see. If you are hoping to catch foul balls, I would sit somewhere else. Nothing even came close to us. We were also right next to the walking ramps, escalator and restrooms - which is always good! Oh, and be warned, these seats are NOT shaded :-)
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