Mo Vaughn was the last before MLB retired the number in honor of Jackie Robinson.
Ronnie Lott wore # 42
Everybody did
Jackie Robinson
Click on the link below to see all the players that wore #42 for the Yankees.
Click on the link below to see all the players that wore number 42 for the Yankees.
Click on the link below to see all the players who wore the number 42 for the Yankees.
James Worthy, Jerry Stackhouse, Theo Ratliff
The number 42 jersey does not seem to have any significance to Notre Dame. There have not been any players who became well known that wore that jersey.
Cornerbacks or safeties, e.g. the very wonderful Ronnie Lott.
Ronnie Lott, Charley Taylor, Paul Warfield, Sid Luckman, Leo Nomellini are all NFL hall of fame members who wore the #42.
The retired numbers by the Red Sox are 1, 4, 6, 8, 9, 14, and 27. Number 42 is also retired by the Red Sox as well as all of baseball.
Ted Williams played 19 seasons for the Boston Red Sox (1939-42, 1946-60).