Bill Polian expects Jim Caldwell to have 'extremely good effect' on Matthew Stafford
{"Image ImageDescription": "Detroit Lions quarterback Matthew Stafford (9) celebrates as he walks off the field after the Lions' 21-19 win over the Chicago Bears in an NFL football game Sunday, Nov. 10, 2013, in Chicago.  (AP Photo/Charles Rex Arbogast)", "Image Software": "Google", "Image Artist": "Charles Rex Arbogast", "Image ExifOffset": "316", "EXIF ExifVersion": "0220", "EXIF ColorSpace": "sRGB", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "EXIF InteroperabilityOffset": "358"}