just checked, Gomez had 19 but after missing half the season and starting only 9 games in BL, id gladly take that number from Higgy (if 3-4 of those are in the CL) and 22 from Mandzu (the number he scored in the treble season for Bayern). Dzeko scored 26 goals, 8 assists, Grafite 28 goals, 10 assists (league only) in 2008/09 when Wolfsburg wrecked the BL. about those teams being dominant, yeah they were, but so are we now, and i see no reason why it would be impossible for them to both get 20+ in all competitions with the right rotation (+ the 4-5 games they will play together). we are lucky to have 2 top CFs, one isnt in form currently but if he hits his best around February/March and finishes the season strong i wont complain if Higgy outscores him for sure
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and since you mentioned Italy, Etoo had 15+ goals and Milito 20+ in 2010, with Balotelli also coming close to 15 goals in all competitions. Ibra had 20+ for inter while Julio Cruz got 15+ in 2008. Ibra had 21 and Pato 16 for Milan in 2011. high scoring CF duos arent as uncommon as you think