Jon Lester outpitched Johnny Cueto with eight sparkling innings, Javier Baez homered in the eighth and the Chicago Cubs beat the San Francisco Giants 1-0 in a tense Game 1 of their NL Division Series on Friday night. Lester retired his last 13 batters in a dominant performance, but the game was scoreless when Baez sent a towering drive into a stiff wind. With a raucous crowd of 42,148 and every player anxiously tracking the flight of the ball, left fielder Angel Pagan ran out of room as it landed in the basket that tops the ivy-covered walls at Wrigley Field.