Perhaps artistically, the delicate details that range from proportion, angle shots and equally detailed hair might be reflective of the author's assistance with the death note manga, which has only helped to heighten the enjoyment of this series even further for me.
A manga that can turn an indifferent artist into a rabid sports fanatic, is powerful. Eyeshield has my respect for winning me over, but moreso for delivering such a fascinating story that possessed me, as I literally pulled all-nighters just to read on to the next chapter.
Is my review biased? Any lover of a particular series would attempt at advertising what brings them so much joy, for it to be shared amongst others. Hiruma, Sena, Mamori, Shin and the other characters have so much of the author's personality ingrained into them, they're alive. As with the progression of time, people change-these characters mature in unpredictable ways, and in that sense, this fast-paced manga is thoroughly exciting. Repetition is hard to avoid as this is a sports manga, but with some patience, I doubt anyone can ignore this series if they recognize high quality manga.
The anime version lacks all the depth delivered here, but the animation quality is superior in the sense the motions are fluid and captivating to look at, as long as speed lines aren't in the way. I do prefer the manga, of course.