Like in the pros, it depends upon the offensive set. There might be none, or there might be as many as five. In the pure wishbone, there are none: three running backs and two tight ends. In a pro set, there are two (plus two backs and a TE). In a three-WR set, the third guy is sometimes called a flanker or slot man.
The Washington Redskins.
These are the current wide receivers on the 2012 Steelers depth chart:Emmanuel SandersMike WallaceArnaz BattleAntonio BrownJerricho Cotchery
There must be a minimum of four receivers, but most teams get five because of the dime formation, which has five receivers.
As long as they can? This question has too many variables.
Anywhere from 0 to 5
the team has had many receivers over the yearsBob Hayes, Terrell Owens, Michael Irvin, Drew Pearson, Golden Richards, Tony Hill are some
yes
Pass routers or maybe wide receivers.
Catch passes
There are two wide receivers on the field during a football game.
Nick Caserio
Jerry rice