Walker has tried everything, to no avail — what are Phillies’ options now?

PHILADELPHIA — Nothing Taijuan Walker tries is working. He tried something new before Friday night’s start against the Braves at Citizens Bank Park because he had a 27.00 ERA in the first inning, and he couldn’t bury the Phils’ offense again. So, he changed his pre-start routine. He picked up the intensity toward the end of his warmup pitches in the bullpen, then decreased the waiting time between his final bullpen toss and his first pitch on the mound. But Walker loaded the bases with no outs and allowed two runs in the first inning in a 9-0 loss to…