Commentary for Berakhot 59:14

במאי קמיפלגי מר סבר תפלה מעומד עדיף ומר סבר מסמך גאולה לתפלה עדיף

In what do they differ ? The former holds that to say the Tefillah standing is of greater importance; the latter holds that to unite the Ge'ullah with the Tefillah is of greater importance.

Abraham Cohen Footnotes to the English Translation of Masechet Berakhot