This article mainly discusses how the Patriots moved AH to running back on some plays in response to teams not respecting him as a blocker. Yeah it's PFF, and not all that heavy in real content, but it's a decent read with a few interesting stats, notably a breakdown of how often he lined up in each position.
Aaron Hernandez: The New NFL Athlete | ProFootballFocus.comThat kind of versatility meant that Hernandez didn’t play more than 35.5% of his 1051 snaps last season in any one position (slot), and no more than 216 snaps in any position on a specific side of the formation. He spent more than 300 snaps each in the slot, as a wide receiver on the edge of the formation, and as an in-line tight end in addition to the 78 snaps he spent in the backfield (his 58 snaps at HB plus 20 aligned at full back).