Caldwell praises Colts for fighting hard, Irsay says it’s unacceptable

The Indianapolis Colts are the NFL’s only winless team, and they’ve lost their last three games by a combined 96 points. But coach Jim Caldwell sees some fire in his team. “You can see that they are going to fight you until the end,” Caldwell said after Sunday’s loss to the Falcons. “They’re just going…