Jacobs spent six seasons with the Terps from 2013-2018.
Randy White played for the Terps in the 1970s and was a two-time All-American.
Canada served as the Terps' interim head coach after DJ Durkin was placed on administrative leave.
John Donovan was a coach for Maryland for 10 seasons.
Durkin was fired as the Terps' head coach in October 2018.
Among other signings, coach Mike Locksley secured five-star wideout Rakim Jarrett.
The Terps flipped local five-star wide receiver Rakim Jarrett from LSU on Wednesday.
Jarrett is the Terps' first five-star recruit since Damian Prince in 2014.
“He has the characteristics of the great ones,” coach Mike Locksley said.
Coach Mike Locksley has focused on building the program's foundation in his first year.