In Field Hockey: Midfielders...
There are usually 4 of them with 3 forwards and 3 defense-men and 1 goalie.
In Ice Hockey: Defensemen. They come in pairs with 3 forwards (Left Wing, Centre, and Right Wing) and one goalie.
the checkout assistant
The promise of a seller that stands behind their product is usually called a guarantee. It can also be referred to as a warranty which has a similar meaning.
The Umpire-in-chief stands behind the catcher. First base umpire stands near the foul line behind first base. The second base umpire stands towards shallow center behind second base. The third base umpire stands the same as the first base umpire. They don't necessarily have to stand in one spot. They can move wherever it is necessary for them to clearly see the game, as long as it doesn't interfere with any of the players or the ball in play.
It is the umpire that stands behind the catcher.
substitutes
A receptionist would normally sit at the front desk of a hotel.
MWO stands for MechWarrior Online, a free-to-play online simulation game set in the BattleTech universe where players pilot giant robots called BattleMechs in tactical combat against other players.
Tournament players club
Nope.
No they do that on their own
Polo stands for Players Only Live Once
A WAG when dealing with baseball players and football players wives stands for "Wives and Girlfriends"