ARLINGTON - Joey Gallo never emerged from the shadows.We're talking about Sunday, but it may end up summarizing his Rangers career, too.Gallo, the prospect with monster power who has yet to nail down a regular spot in the lineup, sat on the bench Sunday, safely out of the blinding sunlight on a 96-degree day as the Rangers finished off a four-game sweep of Kansas City with a 5-3 win.Meanwhile, general manager Jon Daniels and his staff were engaged in trade discussion with Milwaukee about catcher Jonathan Lucroy that gained renewed life as Monday's 3 p.m.