Nick Buoniconti left Notre Dame as a captain and second-team All-American, yet NFL scouts dismissed him as too small for middle linebacker. The Boston Patriots still used a 13th-round pick on him in 1962, and the undersized prospect quickly proved the evaluators wrong.

He stepped into the starting lineup as a rookie and never looked back. By 1963, he helped the Patriots capture the AFL Eastern Division title. The next four seasons brought a run of first-team All-AFL honors and AFL All-Star selections, with Buoniconti operating as the hard-hitting, freelancing center of the defense. Opposing quarterbacks learned that knocking him down rarely ended the play; he simply got up and found the ball again.

In 1964, he reached a career-high five interceptions. The production stayed consistent across the middle of the decade, with three or four picks in most seasons and a reputation as the best middle linebacker in the AFL. He earned five AFL All-Star nods in all and four first-team All-Pro selections while wearing the Patriots uniform. The size concerns that followed him into the league never slowed the tackling or the range.

After the 1968 season, the Patriots traded Buoniconti to the Miami Dolphins. His time in Boston ended after seven seasons. With the Patriots, he finished with 24 interceptions, which still ranks seventh in franchise history, along with an unofficial 18 sacks. He posted those numbers while establishing himself as the top defensive player of the AFL era and earning a place on the All-Time AFL Team.

In Miami, he led the No-Name Defense, helped the Dolphins win Super Bowls VII and VIII, and added two more Pro Bowl selections. The Patriots placed him in their Hall of Fame in 1992. Nine years later, he entered the Pro Football Hall of Fame. The overlooked 13th-rounder from Notre Dame remains the standard for middle linebackers in the franchise’s early years.