I don't think there is a set number of coaches in baseball. Most teams have a hitting coach, pitching coach, fielding coach and intructors for important positions like catcher. There is also a "bench" coach who works on game stratagy with the manager.
"Ump" is short for Umpire. "Blue" is a nickname for umpires because of the color uniform they wear.
Red Sox
Denton True Young.
Lou Gehrig
The coach of the Steelers in 2006 was Bill Cowher and his nickname was "The Chin."
coach
coach bille
Big Tuna
Coach Fritz Crisler!
Baseball
Bill Parcells's nickname is 'The Big Tuna'.
He was the owner of the Texas Rangers.
Collegiate Baseball Coach of the Year was created in 1980.
Gary Ward - baseball coach - was born in 1940.
Danny Hall - baseball coach - was born in 1954.
The Ty Cobb for whom the stadium is named is not the famous baseball player. He was a local football coach given that nickname.