Listed No. 1 on preseason depth chart at X Back (wide receiver) this fall ... has played in all 34 games in a Cal Poly uniform over the last three seasons with 33 starts.

2018 – Cal Poly’s leading receiver for the second straight year, catching 33 passes for 666 yards and four touchdowns en route to third-team All-Big Sky Conference honors … averaged 20.2 yards per catch … career-high seven receptions for 127 yards against Weber State … scored twice against Southern Utah on 46- and 56-yard passes from Khaleel Jenkins … also caught touchdown passes against Northern Arizona and Idaho State … returned a punt 70 yards for a touchdown versus Sacramento State … averaged 16.0 yards on seven returns … also carried the ball twice and scored both times – a 68-yarder at Sacramento State and a 28-yard romp against Idaho State … second on the team in all-purpose yardage with 865 total yards ... named team's offensive skill player of the year … one catch in 2019 Spring Game.

2017 -- Started 10 of the 11 games at X Back as a sophomore ... team-leading 28 catches for 454 yards and three touchdowns ... season-high six catches for 67 yards against Sacramento State ... added five grabs for career-high 104 yards and two scores against Northern Iowa ... other touchdown grab was a 60-yarder against Northern Arizona ... 43-yard non-scoring catch at UC Davis ... returned 10 punts a total of 14 yards for the season with a long of six yards ... no catches in 2018 Spring Game.

2016 -- Started all 12 games as a redshirt freshman wide receiver ... 18 catches for 323 yards and three touchdowns ... scoring grabs were 30 yards against Northern Colorado, 40 yards against Sacramento State and seven yards against Portland State ... season-high three catches each against Portland State and Sacramento State ... longest catch was 40 yards, accomplished twice, one each against Sacramento State and North Dakota ... also carried the ball six times for 59 yards, including a 19-yard run against Eastern Washington and 17-yarders against both South Dakota State and Montana ... returned two punts ... did not play in 2017 Spring Game due to injury.

2015 -- Redshirt ... played in 2016 Spring Game, returning one kickoff 19 yards.

High School -- Koski caught 161 passes for 2,589 yards and 30 touchdowns in four varsity seasons under head coach Aaron Becker at San Ramon Valley High School ... the three-year varsity starter averaged 16.1 yards per catch and his career highs include 10 catches against California as a junior in 2013 and 187 yards versus Amador Valley as a senior in 2014 ... Wolves finished 7-5 in 2015, including a 4-2 mark for third place in the East Bay Athletic League, and reached the quarterfinal round of the CIF-North Coast Section Division 1 playoffs ... the team MVP caught 56 passes for 881 yards and 17 touchdowns as a senior, earning first-team All-East Bay Athletic League, All-East Bay (Alameda and Contra Costa counties) and All-CIF-North Coast Section honors ... also was a second-team All-NorCal wide receiver, fourth-team all-state by CalHi Sports and was team captain and team MVP ... a year earlier, caught 64 passes for 1,003 yards and seven scores, earning first-team All-East Bay Athletic League honors as a wide receiver ... the four-year varsity letter winner caught 41 passes for 705 yards and eight touchdowns as a sophomore and had 13 receptions for 248 yards and five scores as a freshman ... also lettered in basketball and track at San Ramon Valley, recording the fifth-best time in school history in the 100 meters (10.9) and his best time in the 200 was 22.0 ... qualified for state finals in 4-by-400 relay ... as a starting guard led Wolves to 27-6 record and California state Division I championship in basketball as a senior ... also participated in swimming ... was recruited by Cal, Colorado, Boise State, San Jose State, Nevada, Montana and UC Davis, choosing to come to Cal Poly because of "its coaching staff, academic environment and location."

Personal -- Son of Jay and Jamie Koski ... one sister, Hannah, who played soccer at Cal ... enjoys hiking, fishing, studying, family and being involved within the community ... wants to be a developer or work in real estate ... born in San Ramon, Calif. ... majoring in business administration with a concentration in accounting.