Mark 10:8
10:8 and the two will become one flesh. 1 So they are no longer two, but one flesh.
Mark 14:19
14:19 They were distressed, and one by one said to him, “Surely not I?”
Mark 15:27
15:27 And they crucified two outlaws with him, one on his right and one on his left.
1 sn A quotation from Gen 2:24. The “two” refers to husband and wife, not father and mother mentioned in the previous verse. See the tc note on “mother” in v. 7 for discussion.