The Nittany Lions jumped out to an early three-goal lead and never looked back.
Katie DeSa did not allow a single-goal on the weekend.
Johnson joins former Penn State running back London Montgomery, who transferred to the Pirates last year.
The goal opened the scoring in Penn State's 4-0 shutout victory against Canisus
The honor came after Naeher helped lead the USWNT to a gold medal during the 2024 Summer Olympics.
Lyon became the second transfer to commit to the Nittany Lions this offseason.