In ice hockey, the injured reserve (IR) is a designation for players who are unable to play due to injury. Placing a player on IR provides temporary roster relief for the team. Adam Fox's injury is a significant blow to the Rangers, impacting their defensive lineup and playoff aspirations. - Adam Fox sustained an upper-body injury during a game against the New York Islanders and was placed on injured reserve. - The New York Rangers are optimistic that Fox will return before the end of the regular season and potentially for the Stanley Cup Playoffs. - Matthew Robertson has been recalled from the Hartford Wolf Pack, the Rangers' AHL affiliate, to fill the roster spot vacated by Fox. - Fox's absence will impact the Rangers' defensive capabilities and power play effectiveness.