Manchester United legend Gary Neville quizzed Roy Keane’s stance on Marcus Rashford after the Sky Sports pundit was unsure of the player’s “whole package.” Rashford was dropped to the bench for United’s 2-1 win over Chelsea at Old Trafford on Wednesday, with the Red Devils star struggling with his form this season. The 26-year-old United forward, who inked a new contract last summer, has scored only twice and registered two assists in 14 Premier League appearances so far. Rashford’s rich vein of form from last season has been missed at United in the current campaign, with the England star now …