Deletion of Knuckle slider

Comment: No reliable sources available for this article. Appears to be 
Stance: delete
Cited policy: Wikipedia:No original research (WP:OR)

Comment: looking at the sources above, none of them discusses a "knuckle slider" in detail. Every source either a player claims that they throw one, or they put the two pitches randomly together while mentioning a list of pitches. Clear cut example of  and 
Stance: delete
Cited policy: Wikipedia:Wikipedia is not a dictionary (WP:NEO||WP:NOR)

Comment: No sourcing, link is dead...fails 
Stance: delete
Cited policy: Wikipedia:Verifiability (WP:SOURCES)