Niners say Kaepernick threw 87 mph first pitch

49ers quarterback Colin Kaepernick threw out the first pitch at Friday night’s Giants game.  He apparently did pretty well. According to the 49ers’ Twitter account, Kaepernick was clocked at 87 miles per hour. Earlier this month a slight discrepancy arose regarding the first pitch thrown by Seahawks quarterback Russell Wilson at a Mariners game.  The…