O'Connor practiced on the top line Monday, Adrian Dater of Colorado Hockey Now reports.
O'Connor was promoted to the first line after the Avalanche announced J.T. Compher will miss "approximately a month" with an upper-body injury. Compher had been filling in for the injured Nathan MacKinnon (lower body), who is not due back until the beginning of December. So, for at least the start of Wednesday's game in Vancouver, O'Connor will join Mikko Rantanen, who moves to center, and Gabriel Landeskog. That's a plum assignment for O'Connor, who's scored goals in two straight games and posted five points in the last six.