Drafted eighth overall in the first round of the 1987 NFL Draft from Penn State—where he earned unanimous All-American honors and helped the Nittany Lions win a national title—Frewsburg native Shane Conlan quickly became a beloved hometown hero in Western New York. Playing a vital role in Buffalo’s defense alongside stars like Bruce Smith and Cornelius Bennett, Conlan brought lively, relentless tackling that truly helped turn the Bills into a formidable team.

Conlan integrated instinctive diagnostic speed with formidable open-field tackling skills. Positioned as the inside linebacker within Buffalo’s 3-4 defensive scheme, he diligently analyzed pre-snap formations, diagnostic pull blocks, and flow plays to strategically shoot gaps before offensive guards could advance to the second level. His proficiency in lateral quickness against perimeter sweeps, combined with his closing speed in pass coverage, enabled him to neutralize running backs in space and disrupt screen plays.

Conlan made an immediate impact upon entering the professional ranks. During his 1987 rookie campaign, he racked up 114 tackles and led Buffalo's defense, earning AP NFL Defensive Rookie of the Year honors and a spot on the PFWA All-Rookie Team.

Building on that rookie success, Conlan launched into an elite three-year stretch, earning three consecutive Pro Bowl selections (1988–1990) and three Second-Team All-Pro nods. His relentless tackling and run defense anchored a unit that captured three straight AFC East titles, setting the defensive foundation for Buffalo's legendary championship runs.

Conlan was a cornerstone during the early phase of Buffalo’s unprecedented four-straight Super Bowl appearances, starting at middle linebacker in Super Bowls XXV, XXVI, and XXVII. His big-game heroics were showcased in Super Bowl XXV, where he recorded eight tackles against the New York Giants.

Following the 1992 season, Conlan departed as a free agent to sign with the Los Angeles Rams, where he played his final three NFL seasons (1993–1995). With Buffalo, Conlan appeared in 88 regular-season games, racking up 545 combined tackles, 5.5 sacks, and 5 interceptions.