[1] He ran for 1,338 yards on 199 carries and scored a school single-season record 20 touchdowns as a sophomore.

[2] Penny played in 23 games (14 starts) in two seasons at Idaho after transferring from Cerritos College.

[4] In Penny's first season at Idaho in 2014, played 11 games (two starts) and led the team with 589 rushing yards and 12 touchdowns on 139 carries.

[8][9] He signed a reserve/future contract on January 3, 2017, after spending his entire rookie season on the practice squad.

[10] In Week 4, against the San Francisco 49ers, Penny had his first career carry, a one-yard rush, in the 18–15 victory.

On October 17, 2021, Penny recorded his first rushing touchdown for the New York Giants against the Los Angeles Rams in a 38–11 loss.

[26] On March 26, 2023, Penny got the head coaching position at John Glenn High School in Norwalk, California.