Little inspires a player more than competition for places - and with four strikers all vying for contention at Old Trafford, rivalry is fierce.
Sir Alex Ferguson's already pounding selection headache worsened during the international break as Robin van Persie, Wayne Rooney, Danny Welbeck and Javier Hernandez all enhanced their goal tallies for their respective countries.
Though normally the scourge of domestic managers, due to injury risk and the rigours of global travel, the boss might even have cracked a wry smile during this latest Premier League respite, after each striker returned to United fit and brimming with confidence.
Chicharito, who recently admitted he's “not obsessed by scoring goals”, a sentiment which should perhaps be taken lightly when told by a striker of his quality, scored twice in as many games for Mexico, helping record fine wins over Guyana and El Salvador.
Van Persie - a man you might assume to be United's first choice following a summer move from Arsenal – also bagged his 31st goal for Holland in their 4-1 win over Romania, the same territory where the Dutchman struck twice against CFR Cluj last month.
Of course, Rooney and Welbeck maintained their burgeoning partnership for Roy Hodgson’s England, both converting twice during a 5-0 dissection of San Marino before the former added to his tally with a slightly fortuitous finish against Poland.
Ahead of Stoke City's trip to M16 on Saturday, Sir Alex has a major dilemma. Barring any potential injuries prior to kick-off, the manager has four fit, healthy, on-form strikers, each with eyes on a starting berth against the Potters. In short, his task is unenviable.
This season, the boss has shuffled his deck, favouring the contrasting skills and assets provided by each of his attacking foursome. Interestingly, he did recently admit to not knowing who his favoured combination might be.