Some thoughts from the build-up to the New York Giants Week 4 game against the Chicago Bears. A few leftover thoughts about all things New York Giants from the week that was. 1. Through three games, we can probably all agree that running back Saquon Barkley has been one of the reliable playmakers on the offense. But his deployment as a runner so far has been something of a head scratcher, as for whatever reason, offensive coordinator Mike Kafka hasn’t fully unleashed Barkley until the second half of the game. Let’s look at some numbers. In the first half of…