Players who played for San Francisco Giants and Oakland Athletics exclusively

                       |San Francisco Giants             |Oakland Athletics                |
                       |Years      G    AB   BA    HR  SB|Years      G    AB   BA    HR  SB|
+----------------------+---------+----+----+----+----+---+---------+----+----+----+----+---+
 Bill Bartley          |1903-1903    1    1 .000    0   0|1906-1907   18   24 .125    0   0|
 Bill Bathe            |1989-1990   82   80 .250    3   0|1986-1986   39  103 .184    5   0|
 Santiago Casilla      |2010-2013  195    3 .333    0   0|2004-2009  152    0 .000    0   0|
 Doug Clark            |2005-2005    8    5 .000    0   0|2006-2006    6    6 .167    0   1|
 Bobby Coombs          |1943-1943    9    2 .000    0   0|1933-1933   21    5 .400    0   0|
 Chick Davies          |1925-1926   42   24 .167    0   0|1914-1915   75  178 .197    0   3|
 Kelly Downs           |1986-1992  178  211 .123    0   0|1992-1993   60    0 .000    0   0|
 Pug Griffin           |1920-1920    5    4 .250    0   0|1917-1917   18   25 .200    1   1|
 Bob Joyce             |1946-1946   14   19 .158    1   0|1939-1939   30   35 .086    0   0|
 Brian Kingman         |1983-1983    3    0 .000    0   0|1979-1982   91    0 .000    0   0|
 Hal Luby              |1944-1944  111  323 .254    2   2|1936-1936    9   38 .184    0   2|
 Billy Milligan        |1904-1904    5    9 .111    0   0|1901-1901    7   15 .333    1   0|
 Rube Schauer          |1913-1916   60   45 .111    0   0|1917-1917   33   76 .145    0   0|
 Red Shea              |1921-1922   20   16 .062    0   0|1918-1918    3    3 .000    0   0|
 Keiichi Yabu          |2008-2008   60    1 .000    0   0|2005-2005   40    1 .000    0   0|
 Barry Zito            |2007-2013  188  295 .112    0   0|2000-2006  222   29 .034    0   0|
+----------------------+---------+----+----+----+----+---+---------+----+----+----+----+---+

16 players played for each of these franchises exclusively.

                       |San Francisco Giants               |Oakland Athletics                  |
                       |Years      G    IP     ERA    W-L  |Years      G    IP     ERA    W-L  |
+----------------------+---------+---+------+------+-------+---------+---+------+------+-------+
 Bill Bartley          |1903-1903   1    3.0   0.00   0-0  |1906-1907  18   65.0   3.18   0-1  |
 Santiago Casilla      |2010-2013 195  189.3   2.19  19-12 |2004-2009 152  160.3   5.11   6-4  |
 Bobby Coombs          |1943-1943   9   16.0  12.94   0-1  |1933-1933  21   31.3   7.48   0-1  |
 Chick Davies          |1925-1926  40   96.3   4.11   2-4  |1914-1915   5   24.3   5.93   2-2  |
 Kelly Downs           |1986-1992 177  762.0   3.64  47-38 |1992-1993  60  201.7   4.69  10-15 |
 Bob Joyce             |1946-1946  14   60.7   5.34   3-4  |1939-1939  30  107.7   6.69   3-5  |
 Brian Kingman         |1983-1983   3    4.7   7.66   0-0  |1979-1982  91  547.0   4.10  23-45 |
 Billy Milligan        |1904-1904   5   25.0   5.40   0-1  |1901-1901   6   33.0   4.36   0-3  |
 Rube Schauer          |1913-1916  60  185.3   3.59   3-13 |1917-1917  33  215.0   3.14   7-16 |
 Red Shea              |1921-1922  20   55.0   3.76   5-5  |1918-1918   3    9.0   4.00   0-0  |
 Keiichi Yabu          |2008-2008  60   68.0   3.57   3-6  |2005-2005  40   58.0   4.50   4-0  |
 Barry Zito            |2007-2013 187 1056.7   4.45  61-72 |2000-2006 222 1430.3   3.55 102-63 |
+----------------------+---------+---+------+------+-------+---------+---+------+------+-------+

12 pitchers pitched for each of these franchises exclusively.

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