Junior Seau
Gayle Sayers!
Mike Alstott
Some NBA players who have worn the number 36 are Omri Casspi of the Cleveland Cavaliers, Dave Cowens of the Milwaukee Bucks, and Shaquille O'Neal when he played for the Boston Celtics. In the NFL some players who have worn the number 36 are Jerome Bettis, Ron Parker and Shawntae Spencer.
Tony Richardson (Kansas City Chiefs), Hall of Famer Bobby Mitchell for the Washington Redskins. Dennis Smith of the Denver Broncos.
all the mascots have (no players)
The number 89 is generally reserved for wide recievers and tight ends. Many players have worn this number over the NFL's history. As far as famous, I'm not sure what you mean. The last players to go to the Pro Bowl wearing 89 were tight ends Todd Heap(Baltimore) and Mark Chmura(Green Bay). Dan Ross. Bengals tight end in the 1981 super bowl
Zach Thomas Brian Urlacher Bobby Carpenter
There are not as many players in the history of the NBA that have worn the number 53, and none currently playing. Some of the players to wear number 53 are Stanley Roberts, Darryl Dawkins, James Edwards, and Mark Eaton.
UNKNOWN
Daryl "Moose" Johnson for the Cowboys and Stephen Davis for the Panthers wore number 48
Each NFL team has 53 players plus the five extra for a practice squad, there are 1,696 players in the NFL. There are 32 teams in the NFL.