The Giants are a 'fun' pick to win the NL West, a division which has switched winners many times during this decade.
To begin with, picking a team with a thick rotation is smart. If Barry Zito is able to stay healthy and earn his contract, then the Giants own three long-term deals in their rotation that will ensure pitching success for the next few years. If the offense doesn't get good enough this year, it will next year.
Tim Lincecum and Matt Cain got very close to bringing this poor offensive team in the playoffs last year.
Lincecum, though earning less wins and more losses last year, had a better ERA, a lower WHIP, and improved his opponents average so that the opposing team only hit .206 against him last year.
Matt Cain had a huge turnaround from his 2008 season, letting his WHIP drop about .2, his ERA by about a whole run, and his opponents batting average dropped 19 points. He pitched the exact same amount of innings both years, yet was able to get about 20 less hits and 20 less walks.
When you add a resurging Barry Zito and a no-hitter in Jonathan Sanchez, you have a good rotation. Meanwhile, closer Brian Wilson also had a year where all of his statistics were able to improve (his opponent batting average, ERA and WHIP all feel significantly). There is no where to go wrong with pitching on this team.
The hitting on this team is not so great, however. The offense added Mark DeRosa in the outfield after splitting the '09 season with the Indians and Cardinals. After his trade to St. Louis, Mark's statistics fell. His on-base and batting average each dipped while he hit 3 less home runs in 3 more games. Still, historically, DeRosa is a strong hitter and could be an interesting addition to this team.
Pablo Sandoval had a breakout year in 2010. Pablo or "Kung Fu Panda" batted .330 and knocked in 90 RBIs. His odd way at coming at the ball has let him become part of baseball folklore, but the surrounding offensive tools lack. Edgar Renteria struggled as a Giant last year and Freddy Sanchez failed to hit over .300 with the Pirates and Giants (he is a career .299 hitter).
Bengie Molina hit 20 home runs but his on-base percentage is awful, showing that he does not earn walks very well. On the whole season he walked just 13 times while striking out 68 times, not a very good ratio at all.
This team might struggle offensively, but a mid-year addition could be key for this team and with the incredible starting rotation this team has a chance at winning a historically weak division.