Sparta' s Cardiac Kids stormed back once again Friday night at Sparta Arena, erasing a 17-point lead and pulling out a 55-50 victory vs Calvary Schools of Holland.  Calvary started up 15-0 and stretched the lead to 25-8 at the end of the first quarter.  Chase Wilson (17) and Conner West (13) led the Spartans back from the brink, offensively, while Samuel Whitmore did the dirty work on defense, along with Sam Kerska, Sumer Singh and Kalvin Cochrane.  Jax Wilson scored 10.  T.J. Devary scored 5, while "Big" John Rozema chipped in 4 and had 1 key blocked shot.  Sparta moves to 2-0 and will take on Grant away Tuesday night.