Next season will be Vizquel's 20th in the majors and fourth as a Giant.
The deal also includes a vesting option of 140 games in 2009 at $5.2 million. The 11-time Gold Glove shortstop has played in at least 136 games in 12 of his last 13 seasons.
Vizquel, who made $5.1 million last season, hit .246 last season, his lowest average since 2003.
His nine errors
this past season were lowest among regular NL shortstops. His Gold
Gloves are second among shortstops only to Ozzie Smith's 13.
"You always look for your team to have solid defense up the
middle, and you can't get anybody much better than Omar," Giants
right fielder Randy Winn said. "There weren't any young guys
immediately ready to fill the shortstop position, so bringing back
Omar was a priority. You need some veteran players around to help
teach the young guys, too."
Still, Giants owner Peter Magowan opted to wait until after the season
to negotiate with Vizquel.
"Bringing Omar back was one of our top priorities this
offseason," general manager Brian Sabean said. "He is still one of the premier
defensive shortstops in the game, and with the talent of our
pitching staff, having his glove and leadership on the field is a
Vizquel has played 19 major league seasons with 2,570 career
games at shortstop -- 13 behind countryman Luis Aparicio for most in
The Associated Press contributed to this report.