Biography

BIOGRAPHY

J.J. Koski was born on December 27, 1996, in Danville, CA. He is a Wide Receiver in the NFL.

Koski was a member of the Cal Poly Mustangs for five seasons, redshirting as a true freshman. He became a starter during his redshirt sophomore season and was named third team All-Big Sky Conference as a redshirt junior after finishing the season with 33 receptions for 666 yards and four touchdowns. As a redshirt senior he caught 42 passes for 868 yards and eight touchdowns and was named first-team All-Big Sky. Koski finished his collegiate career with 121 receptions, 2,311 yards, and 18 touchdowns.

In 2020, Koski was signed as an undrafted rookie by the Los Angeles Rams.