ARLINGTON, Texas — In a season full of disappointment, the Angels reached a new low on Monday. Starter Patrick Sandoval walked six and didn’t get out of the third and Angels managed just one infield hit in a 12-0 loss to the Texas Rangers, their most lopsided defeat of the season. Infielder Eduardo Escobar was the Angels’ final pitcher of the night. Sandoval was charged with five runs, even…