I agree but Gruden is better than Singletary.
Some facts about Gruden...
Gruden is a Roman Catholic.[10] He and his wife, Cindy, have three sons, Jon II (Deuce), Michael, and Jayson. Gruden's younger brother Jay is currently head coach of the Florida Tuskers of the United Football League. His wife Cindy is from eastern Tennessee and graduated from the University of Tennessee, where Gruden also coached in 1986.
In April 2009, Gruden turned down an offer to become the offensive coordinator for the University of Oregon Duck.
Jon Gruden is now a volunteer assistant offensive line coach at Carrollwood Day School in Tampa, Florida.
Gruden grew up a Cleveland Browns fan.
Gruden was named one of the 50 most beautiful people of 2001 by People Magazine.
Gruden is also known as "Chucky" for his close resemblance to Chucky from the "Child's Play" film series.