Former Michigan star Charles Woodson caught up with new Wolverines defensive coordinator Don “Wink” Martindale while attending the program’s Spring Game on Saturday. Martindale was asked by Woodson what it’s like returning to college football after spending so much time in the NFL, but the game is the same for the defensive coordinator. “I mean, football is football, but I’m having so much fun coaching these guys,” Martindale said. “I’m telling you, this game is just as close to the league as it is today.” Of course, Martindale runs a similar system to the one Michigan has implemented over the…