SAN FRANCISCO, Calif. - Head coach
Chris Gerlufsen and the University of San Francisco men's basketball program announced today the signing of forward Guillermo Diaz Graham (Canary Islands, Spain/Pittsburgh).
"Guillermo Diaz Graham is a player our entire staff has been fond of since his time at IMG Academy," said Gerlufsen. "Guillermo fits exactly what we look for in frontcourt players with his ability to dribble, pass, shoot, rebound and defend at a high level. We value his winning nature as well as his NCAA Tournament and FIBA experience. Our program is looking forward to Guillermo being a vital piece on the Hilltop in the year ahead!"
Originally from the Canary Islands of Spain, Diaz Graham spent the past three seasons at the University of Pittsburgh under head coach Jeff Capel. Overall, the seven-footer appeared in 98 games for the Panthers across his three seasons, which included 35 starts, as he averaged 5.5 points, 4.1 rebounds and 1.1 assists per game on 45.5 percent shooting from the field and 34.1 percent shooting from beyond-the-arc.
Most recently, Diaz Graham appeared in all 32 games for Pitt in 2024-25, which included making 25 starts. The dynamic big man finished the year with averages of 6.2 points, 5.0 rebounds and 1.5 assists per game. Notably, he scored a season-high 15 points at SMU on Feb. 11, 2025. Additionally, he also logged a 10-point, 10-rebound double-double in Pitt's 86-62 win over West Virginia on Nov. 15, 2024.
One season prior, Diaz Graham appeared in all 33 games for the Panthers, which included making 7 starts as he averaged 6.7 points, 3.9 rebounds and 1.1 assists per game on 49.1 percent shooting from the floor and 40.5 percent shooting from distance. In total, the forward finished third on the team in blocks (28) and fourth in steals (27) in just 17.9 minutes per game.
In his first collegiate season in 2022-23, Diaz Graham appeared in 33 games for the Panthers with three starts, all of which came during Pitt's NCAA Tournament run. Notably, he notched 11 points, eight rebounds and two assists in the second round of the NCAA Tournament against Xavier on Mar. 19, 2023. He also tallied four points, eight rebounds, two assists and one block in his collegiate debut against UT Martin on Nov. 7, 2022.
Off the court, Diaz Graham was a two-time All-ACC Academic Team selection as well as being selected to the ACC Honor Roll twice. Personally, his twin brother - Jorge Diaz Graham - also competed for Pitt from 2022-2025 and recently transferred to Oregon State.
Prior to his time in Pittsburgh, Diaz Graham attended IMG Academy in Bradenton, Fla., where he averaged 12.5 points, 7.3 rebounds, 2.2 assists and 2.1 blocks per game while leading his team to a 30-6 record and an appearance in the National Prep Tournament. Heading into college, he was list as the No. 94 overall prospect in the On3 2022 Top Basketball Recruits rankings.
Internationally, Diaz Graham was one of 16 players invited to train with the Spanish U20 National Team for competition in the 2022 FIBA U20 European Championship in Montenegro. He went on to help the Spanish National Team win its third U20 European Championship in July 2022 as Spain defeated Lithuania, 69-61, in the tournament final. Just a few years before this success, Diaz Graham also competed with the Spanish U18 National Team as he helped guide the team to a perfect 5-0 record at the 2021 FIBA Europe Challengers tournament in Skopje, Macedonia.
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