BALTIMORE — Matt Wallner thought he’d finally found something last Wednesday, when he was out of the lineup against Dodgers right-hander Bobby Miller and spent the game inside, foam rolling and stretching his hips for around two hours — just to get them as loose as he could. When he took swings in the cage after that, Wallner immediately felt that old comfort return — like when he was at his best last year. Wallner felt that got him right on the cusp of clicking again — but he didn’t fully find it in time to stave off a reset…