[3] Hal's attendance at Marshall University (College at the time) did not cause great uproar from the community, but more rumblings and a general uneasiness.

"[4] With the Thundering Herd, Greer scored 1,377 points with a .545 field goal percentage, setting a Marshall record.

In 1956, Marshall won the Mid-American Conference championship,[5] and made their first NCAA men's basketball tournament appearance.

Greer had an unusual but highly effective free throw technique, shooting a jump shot from the charity stripe.

When he retired after the 1972–73 season, he ranked as the all-time leader in games played and was in the top ten in both points scored and field goals made.

[11] In December 1973, Greer entered discussions with the Cherry Hill Rookies of the Eastern Basketball Association (EBA) to join the team as head coach.

[6] Marshall University inducted Greer into its Athletics Hall of Fame for his career in basketball and baseball in 1985.

[17] In 1982, Greer was inducted into the Naismith Memorial Basketball Hall of Fame along with Slater Martin, Frank Ramsey, Willis Reed, coach Clarence Gaines, and contributor Alva Duer.

[18] Greer is recognized as one of the first African-American athletes enshrined in a major sports hall of fame from West Virginia.

[19] In 2021, Greer was honored at Marshall University with the dedication of a bronze statue created in his likeness and an unveiling ceremony with many of his family members in attendance.

The statue is located adjacent to the Cam Henderson Center, the home of Marshall basketball, and was placed on a marble base surrounded by four benches and newly planted trees.

[10] For the remainder of the playoffs, the Sixers wore a black armband on the sleeve of their jersey with a small patch with the number 15.