Here's a good summary on Fisher from nfldraftbuzz.com
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SCOUTING REPORT: SUMMARY
Blake Fisher enters the NFL Draft as a solid tackle prospect with a blend of size, agility, and technical skill. His timeat Notre Dame showcased his ability to dominate in the trenches, effectively using his length and strength to neutralize defenders and open up lanes in the run game. Fisher's proficiency in executing a variety of blocking schemes, coupled with his solid performance in pass protection, positions him as a versatile asset on the offensive line. However, his consistency in technique and response to speed on the edge are areas that require attention as he transitions to facing the elite pass rushers of the NFL.
His hands are powerful, his footwork is generally sound, and his understanding of leverage allows him to win matchups against formidable opponents. Yet, the occasional lapse in hand placement and footwork, particularly against quicker edge rushers, highlights the need for refinement. These technical aspects, along with a tendency to be late off the snap, underline the importance of continued development.
In sum, Fisher presents a nice mix of raw physical attributes and developed skills that make him a good but not great prospect, with the talent to possibly start at the pro level.
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He has a lot of snaps in both a zone and gap blocking scheme. Sounds like people were surprised he declared for the draft as he was only in his redshirt sophomore year at ND. But he did start every game (25 total) at RT in his first 2 years there.