[Mick]

No, no, no

The Giant played in 35 games over two years, in 2012 and 2013.  He had 45 at bats, a career average at the Mendoza line, and an OPS of .506.  His career was pretty unremarkable, but for the fact that he ended his career on September 29, 2013, with a home run against Huston Street of the Padres in the bottom of the ninth to tie the game (the Giants would win 7-6).

The two walk-off career ending home runs were:

A Cinicinnati Reds utility SS/2B/utility player who hit the last of his 30 career home runs as a walk-off grand slam in the 10th inning in a September 2014 game against the Pittsburgh Pirates and a Boston Red Sox C/1B from Modesto who played for four years between 1959 and 1962 and hit the last of his 3 career home runs in the bottom of the 9th against the Washington Senators on Sept. 30, 1962.

BC

Francisco Peguero was the Giant
Cincy Red was Ramon Santiago, had a fairly long career with Detroit.
Bosox player, if I'm not mistaken, was Don Gile, who attended San Mateo HS.
Washington Senators vs Boston Red Sox Box Score: September 30, 1962 | Baseball-Reference.com

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Who are the five PGA golfers to achieve the career Grand Slam? (Winning the Masters, the U. S. Open, the British Open and the PGA Championship).

[Mick]

No, no, no

The Giant played in 35 games over two years, in 2012 and 2013.  He had 45 at bats, a career average at the Mendoza line, and an OPS of .506.  His career was pretty unremarkable, but for the fact that he ended his career on September 29, 2013, with a home run against Huston Street of the Padres in the bottom of the ninth to tie the game (the Giants would win 7-6).

The two walk-off career ending home runs were:

A Cinicinnati Reds utility SS/2B/utility player who hit the last of his 30 career home runs as a walk-off grand slam in the 10th inning in a September 2014 game against the Pittsburgh Pirates and a Boston Red Sox C/1B from Modesto who played for four years between 1959 and 1962 and hit the last of his 3 career home runs in the bottom of the 9th against the Washington Senators on Sept. 30, 1962.

BC

Francisco Peguero was the Giant
Cincy Red was Ramon Santiago, had a fairly long career with Detroit.
Bosox player, if I'm not mistaken, was Don Gile, who attended San Mateo HS.
Washington Senators vs Boston Red Sox Box Score: September 30, 1962 | Baseball-Reference.com

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Who are the five PGA golfers to achieve the career Grand Slam? (Winning the Masters, the U. S. Open, the British Open and the PGA Championship).