42 played for New York Giants and Yankees.

Including Tony Lazzeri, Johnny Mize and Sal Maglie. See two previous posts.

qryNYGiantsYankees

GiantFirstName	GiantLastName	GiantFirstYear	GiiantLastYear	YankFirstYear	YankLastYear	GiantG	YankG	GiantFirstPOS	GiantLastPOS	YankFirstPOS	YankLastPOS
Johnny	Allen	1943	1944	1932	1935	33	94	P	P	P	P
Joe	Beggs	1947	1948	1938	1938	33	14	P	P	P	P
Don	Brennan	1937	1937	1933	1933	6	18	P	P	P	P
Jumbo	Brown	1937	1941	1932	1936	150	80	P	P	P	P
Bullet Joe	Bush	1927	1927	1922	1924	3	115	P	P	P	P
Hal	Chase	1919	1919	1905	1913	107	1059	1B	1B	1B	SS
Kiddo	Davis	1933	1937	1926	1926	200	1	OF	OF	OF	OF
Al	DeVormer	1927	1927	1921	1922	57	35	1B	C	1B	C
Jack	Doyle	1892	1902	1905	1905	749	1	1B	SS	1B	1B
Doc	Farrell	1925	1929	1932	1933	172	66	2B	SS	1B	SS
Lonny	Frey	1948	1948	1947	1947	13	8	2B	2B	2B	2B
John	Ganzel	1901	1901	1903	1904	138	257	1B	1B	1B	SS
Billy	Gardner	1954	1955	1961	1962	100	41	2B	SS	2B	3B
Al	Gettel	1951	1951	1945	1946	30	53	P	P	P	P
Sam	Gibson	1932	1932	1930	1930	41	2	P	P	P	P
Burleigh	Grimes	1927	1927	1934	1934	39	10	P	P	P	P
Bump	Hadley	1941	1941	1936	1940	3	140	P	P	P	P
Frank	Hiller	1953	1953	1946	1949	19	29	P	P	P	P
Waite	Hoyt	1918	1932	1921	1930	19	365	P	P	P	P
Benny	Kauff	1916	1920	1912	1912	559	4	OF	OF	OF	OF
Willie	Keeler	1892	1910	1903	1909	23	868	2B	SS	2B	OF
Mark	Koenig	1935	1936	1925	1930	121	534	2B	SS	2B	SS
Jack	Kramer	1950	1951	1951	1951	39	19	P	P	P	P
Ernie	Krueger	1917	1917	1915	1915	5	8	C	C	C	C
Tony	Lazzeri	1939	1939	1926	1937	13	1649	3B	3B	1B	SS
Sal	Maglie	1945	1955	1957	1958	221	13	P	P	P	P
Carl	Mays	1929	1929	1919	1923	37	164	P	P	P	P
Mike	McCormick	1956	1957	1970	1970	27	9	P	P	P	P
Bill	McKechnie	1916	1916	1913	1913	71	37	3B	3B	2B	SS
Fred	Merkle	1907	1916	1925	1926	1076	6	1B	OF	1B	1B
Johnny	Mize	1942	1949	1949	1953	646	213	1B	1B	1B	1B
Bobo	Newsom	1948	1948	1947	1947	11	17	P	P	P	P
Lefty	O'Doul	1928	1934	1919	1922	195	13	OF	OF	OF	P
Blondy	Ryan	1933	1938	1935	1935	297	30	2B	SS	SS	SS
Rosy	Ryan	1919	1924	1928	1928	171	3	P	P	P	P
Bob	Seeds	1938	1940	1936	1936	166	12	OF	OF	3B	OF
Ernie	Shore	1912	1912	1919	1920	1	34	P	P	P	P
Zack	Taylor	1927	1927	1934	1934	81	3	C	C	C	C
George	Uhle	1933	1933	1933	1934	6	22	P	P	P	P
Roy	Weatherly	1950	1950	1943	1943	15	68	OF	OF	OF	OF
Billy	Werber	1942	1942	1930	1933	93	5	3B	3B	3B	SS
George	Wilson	1952	1956	1956	1956	39	12	1B	RF	LF	RF