Yahoo! Sports Fantasy Football uses the following positional breakdowns.
| Position | What It Means | Who Is Eligible |
| QB | Quarterback | Only quarterbacks |
| WR | Wide Receiver | Only wide receivers |
| RB | Running Back | Only running backs |
| TE | Tight End | Only tight ends |
| WR/TE | Wide Receiver/Tight End | Any wide receiver or tight end |
| WR/RB | Wide Receiver/Running Back | Any wide receiver or running back |
| K | Kicker | Only kickers |
| DEF | Defensive Team | Only team defenses |
| D | Defensive Player | Any defensive player |
| DL | Defensive Linemen | Only defensive linemen (includes linebackers) |
| DB | Defensive Back | Only defensive backs |