Wisconsin wide receiver Mark Hamper, who spent just four months at Wisconsin after transferring from Idaho, has committed to Cal, according to multiple reports, including Pete Nakos and Hayes Fawcett of On3 Sports.
Hamper reportedly chose Cal over New Mexico and Arizona State.
As a redshirt freshman at Idaho in 2024, Hamper had 48 receptions for 966 receiving yards and six touchdowns. He was named an FCS freshman All-American.
On December 20, 2024, he transferred to Wisconsin, but after spring practice at Wisconsin, he re-entered the transfer portal.
Even though his only game action came at the FCS level, Hamper was considered one of the top available wide receivers in the portal this spring until he committed to Cal.
Hamper is the second wide receiver Cal has added through the transfer portal this spring, joining South Dakota transfer Quaron Adams. Both played for FCS teams this past season. Cal added UNLV transfer wide receiver Jacob de Jesus and Arkansas transfer wide receiver Dazmin James through the transfer portal back in January.
Cal wide receivers Tobias Merriweather and Jonathan Brady entered the transfer portal this spring, and Bears wideouts Mikey Matthews and Nyziah Hunter entered the portal soon after the 2024 season.
BREAKING: Wisconsin transfer WR Mark Hamper has Committed to Cal, he tells @on3sports
— Hayes Fawcett (@Hayesfawcett3) April 30, 2025
The 6’2 210 WR totaled 48 Receptions for 966 Yards & 6 TDs (20 YPC) last season at Idaho
Was the Top Available WR in the Portal
3 years of eligibility lefthttps://t.co/RlUbB6EMhS pic.twitter.com/brsByspviO
Wisconsin wide receiver Mark Hamper is expected to transfer to Cal, @On3sports has learned.
— Pete Nakos (@PeteNakos_) April 30, 2025
Former Idaho transfer posted 48 catches for 966 yards and 6 touchdowns in 2024 as a freshman. https://t.co/VxSGJEUisH pic.twitter.com/AeQlrngSWA
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