After tough year, Gronk coming alive at right time for Pats

New England Patriots tight end Rob Gronkowski (87) runs against Kansas City Chiefs cornerback Kendall Fuller (23) during the first half of the AFC Championship NFL football game, Sunday, Jan. 20, 2019, in Kansas City, Mo. (AP Photo/Charlie Riedel)

FOXBOROUGH, Mass. — Even as Rob Gronkowski turned in a vintage performance with his big grabs down the stretch in the AFC championship game, the veteran Patriots tight end also did plenty of dirty work.