"Section 3. Who Attempts
Art. 1. Personal fouls—The free throw(s) awarded because of a personal foul shall be attempted by the offended player, unless one of the conditions of Article 2 or 3 of this section are met.
Art 2. The free throw(s) that were to be attempted by the offended player shall be attempted by that player’s substitute unless no substitute is available, in which case any team member shall attempt the free throw(s) when the offended player is disqualified or ejected or must withdraw because he is bleeding or has Rule 8 / Free Throw 77 blood on his uniform or person, or when a player is withdrawn because of a lost, displaced or irritated contact lens.
Art. 3. When an injured player is unable to attempt a free throw try(s), the head coach from the opposing team shall select one of the four remaining players on the playing court to attempt the free throw try(s). When a foul is flagrant and the injured player is unable to attempt a free throw try(s), the injured player's head coach shall select any player or team member to attempt the free throw try(s). When the injured player is bleeding, his head coach may: 1) provide a substitute for the bleeding player who will attempt the free throw try(s), or 2) request a timeout and attempt to remedy the blood situation. (See Rule 3-6.3.f)"
I think this would have fallen under Article 3, and Pike should have been able to choose among the 4 remaining players.