50 For A Bullseye (50 points)
50 NITE: ? Hawaii night
It might be "Fifty For A Bullseye" (in darts).
The solution to the ditloid "50 d in a y" is "50 days in a year." A ditloid is a type of word puzzle where numbers and letters represent a phrase or saying. In this case, it refers to the number of days typically found in a year.
4 Man Bobsleigh
0 = No Runs in a Maiden Over
3 races in the triple crown
16 Pawns In A Chess Set
100 Runs in a Century
2 Hearts in Dr Who
4 Doors Per Car
12 picture cards in a deck
2 Point Four Children