MLB Notes: San Diego Padres retire Hoffman's 51
2019 MLB draft -- Picks and analysis - ESPN
Trevor Hoffman's number 51 retirement ceremony - Gaslamp Ball
San Diego Padres Facts for Kids
MORE
Glenn Hoffman – Society for American Baseball Research
The massive Hall of Fame post - NBC Sports
30 best MLB teams of all time: Players, rosters, lineups
Best baseball player born every year since 1847
Best Players To Wear No. 51
Trevor Hoffman of the Padres sets an all-time record when he records his 479th save - This Day In Baseball
Hall of Fame ballot: Is Trevor Hoffman worthy of a plaque? - Sports Illustrated