Didi Gregorius shows maturity with how he handled benching

KANSAS CITY, Mo. — Given the choice, Didi Gregorius wouldn’t have been tethered to the bench Sunday for the second straight game. However, the easy-going and slumping shortstop understood the situation. “I am not the one who makes the lineup, I can’t be disappointed,’’ Gregorius said when asked if he was disappointed about not being…