Vogelsong won 13 and 14 games the previous two seasons. The journeyman pitcher became one of baseball's feel-good comeback stories in 2011, when he made the All-Star team after joining the Giants' rotation first as a fill in for the injured Barry Zito.
Vogelsong had toiled through three seasons in the Japanese League before Triple-A stints in 2010 for the Phillies and Angels. In the Bay Area with the team that originally drafted him in the fifth round in 1998, Vogelsong became a front-line starter at last.
Invited to spring training in 2011 on a minor league deal, he went on to win the team's "Willie Mac" Award — named for Hall of Famer Willie McCovey and is voted on by players, coaches and training staff for the most inspirational Giants player on the field and in the clubhouse. Vogelsong set a career high for wins while going 13-7 with a 2.71 ERA in 30 games and 28 starts.
He then received an $8.3 million, two-year contract in January 2012.
Vogelsong won three games during the 2012 postseason for the eventual World Series champion Giants, including one during a 4-0 sweep of the Tigers for the team's second championship in three years.
The Giants signed two-time NL Cy Young Award winner Tim Lincecum to a $35 million, two-year contract last month. Lefty Madison Bumgarner and right-hander Matt Cain are signed to long-term deals along with catcher Buster Posey. In addition, right fielder Hunter Pence received a $90 million, five-year contract before the season ended. He played every game this year.
Zito's tenure with the Giants ended when the club declined to exercise his $18 million option for next year.