With Cueto looking to win a career-best fifth straight start and Bumgarner seeking a fifth consecutive winning decision, the Reds and surging Giants open a four-game set Thursday night at AT&T Park.
Alexi Ogando pitched three perfect innings before leaving with a strained groin after a bunt single, combining with three relievers combined on a three-hitter and leading the Texas Rangers past the San Francisco Giants 5-0 on Sunday.
Craig Gentry had a career-high five hits and drove in two runs, Matt Harrison pitched his third career shutout and the Texas Rangers beat the short-handed San Francisco Giants 5-0 on Friday night in a rematch of the 2010 World Series.
Barry Zito pitched 8 1-3 scoreless innings for his 150th career win and Joaquin Arias snapped an 18 at-bat hitless stretch with an RBI single that led the San Francisco Giants to a 2-0 victory over the Chicago Cubs on Sunday.
Barry Zito outpitched Trevor Cahill in a matchup of former Oakland Athletics All-Stars, Brandon Belt hit an RBI triple and the San Francisco Giants beat the Arizona Diamondbacks 4-2 on Monday.
The Oakland Athletics snapped an 11-game losing streak in San Francisco with a 6-2 victory over the Bay Area rival Giants on Sunday.
Gregor Blanco drove in three runs with a pair of hits and the San Francisco Giants beat Arizona 7-3 on Sunday to take two of three from the Diamondbacks.
The Arizona Diamondbacks tied a franchise record by rallying from six runs down to beat the San Francisco Giants 7-6 Sunday and sweep the season-opening three-game series.
Aaron Hill hit two homers, Chris Young had a pair of run-scoring doubles and the quick-striking Arizona Diamondbacks beat the San Francisco Giants 5-4 on Saturday.
Pablo Sandoval homered twice in an eight-run fourth inning, part of a six-home run barrage that led the late-charging San Francisco Giants over the Colorado Rockies 12-5 Sunday for their eighth straight win.