Octavio Alonso Montenegro-Muniz pleaded guilty to conspiracy to possess, with intent to distribute, 1,000 kilograms or more of marijuana, in violation of 21 U.S.C. §§ 841 and 846, and aiding and abetting possession, with intent to distribute, 100 kilograms or more of marijuana, in violation of 21 U.S.C. §§ 841 and 2. He was sentenced to 70 months’ imprisonment. Montenegro asserts his counsel was ineffective at sentencing, because he failed to: (1) lodge a timely objection to the factual basis of the plea; (2) file a sufficiently detailed motion for variance; and (3) highlight letters of support submitted on his behalf.

Generally, our court does not review claims of ineffective assistance of counsel on direct appeal. United States v. Isgar, 739 F.3d 829, 841 (5th Cir. 2014), cert. denied, — U.S. -, 135 S.Ct. 123, 190 L.Ed.2d 94 (2014). “We have undertaken to resolve claims of inadequate representation on direct appeal only in rare cases where the record allowed us to evaluate fairly the merits of the claim.” United States v. Higdon, 832 F.2d 312, 314 (5th Cir. 1987). In most instances, we qualify a claim as a “rare case” warranting review only when it was raised and developed in a post-trial motion to the district court. United States v. Stevens, 487 F.3d 232, 245 (5th Cir. 2007).

Montenegro did pot raise these claims in district court; Moreover, he sets forth conclusory allegations of deficient performance by his counsel, without citations to relevant legal authority. In short, the record is not sufficiently developed to allow for fair consideration of these claims; therefore, we decline to consider them on direct appeal, without prejudice to Montenegro’s right to raise them on collateral review. See Isgar, 739 F.3d at 841.

AFFIRMED.