a Basketball player
A basketball player
A player might bogey in the sport of golf.
aggression makes the opposing player fear you
When you punch or kick you flex which makes it a sport.
It is both but is usually played outside unless otherwise specified.
A short or a shortstop isn't about the size of the player, but about what position/task the player has on the field.
MVP stands for Most Valuable Player, but has nothing to do with the amount of money the player makes. The Value is determined by how much the player adds to their team playing the sport.
It means that the athlete makes good decisions in his sport. For instance, knowing the right time to pass and when to score.
This depends on the sport being played - which the questioner has not specified.
Calvin Johnson is not a sport player, he retired from football after the 2015 season.