OWINGS MILLS, Md. — Even though his defense has been on the field for 188 snaps in two playoff games and is coming off an overtime grinder at mile-high altitude two time zones away, coach John Harbaugh is confident that the Ravens will have plenty in the tank Sunday.

“Our guys train,” he said. “They train from the beginning of the offseason program right until the last day that they’re here. They’re in the weight room, they condition extra . . .