If you are talking two separate seasons then it is A-Rod.
During the 2010 regular season, the Yankees had a 4-4record against the Texas Rangers.
In 2011, the Yankees had a 7-2 record against the Texas Rangers.
The Yankees and Rangers were tied 4-4 in 2010.
The Texas Rangers
The Yankees had a 4-4 record against the Texas Rangers in the 2010 regular season. The Texas Rangers defeated the Yankees, four games to two in the 2010 ALCS.
In 2010, the Yankees played the Texas Rangers eight times during the regular season. Both teams won four games each. In the ALCS, the Rangers defeated the Yankees four games to two.
The New York Yankees opened the 1978 season on the road with a 2-1 loss at the Texas Rangers on April 8th
The Yankees and Rangers were tied 4-4 in 2010.
Through the 2008 season, that was 1999 when they won the American League West Division. They lost to the Yankees in the ALDS, 3 games to 0.
RANGERS
== == most likely not ---- If they pay him enough to leave the Yankees
The Washington Senators became the Texas Rangers for the 1972 season.