In Jockey, director/co-writer Clint Bentley offers audiences a reflective perspective from the eyes of horse jockey Jackson Silva (Clifton Collins Jr.).  Silva is respected around the track but, otherwise, he’s a reclusive athlete who is becoming a little long in the tooth to be continuing with his sport.  He encounters increasing issues with his body, both from past injuries and aging, but his physical weaknesses haven’t broke his determination.  Even when he’s faced with the…