The previous hadith is also narrated from Hazrat Abu Hurairah (may Allah be pleased with him) with the command to wash the hands once or twice, through another chain of narration.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 7440
Hadith Gradingحکم دارالسلام:إسناده صحيح، وانظر ما قبله.