At first i thought a team should only have 1 to 3 blocks a game. but then i looked at some REAL games and you can see that blocks just happen alot in the NBA.
Hell last night the lakers had 16!
http://sports.yahoo.com/nba/scores/20021203/memlal.html
and Golden State averages 7.33 a game.
Truth is, 20 of the 29 teams average 5 or better blocks a game.