|Date|Time|Opponent#|Rank#|Site|TV|Result|Attendance|
|---|---|---|---|---|---|---|---|
|August 31|6:00 PM|at #13 Michigan State*|#22|Spartan Stadium • East Lansing, MI|ESPN|L 13–17|78,709|
|September 15|2:00 PM|Miami (OH)*||Bronco Stadium • Boise, ID|NBCSN|W 39–12|34,178|
|September 20|7:00 PM|BYU*||Bronco Stadium • Boise, ID|ESPN|W 7–6|36,864|
|September 29|4:00 PM|at New Mexico||University Stadium • Albuequerque, NM|KTVB|W 32–29|28,270|
|October 6|10:00 AM|at Southern Miss*|#25|M. M. Roberts Stadium • Hattiesburg, MS|FSN|W 40–14|25,337|
|October 13|1:30 PM|Fresno State|#22|Bronco Stadium • Boise, ID (Battle for the Milk Can)|NBCSN|W 20–10|35,742|
|October 20|1:30 PM|UNLV|#22|Bronco Stadium • Boise, ID|NBCSN|W 32–7|36,012|
|October 27|1:30 PM|at Wyoming|#18|War Memorial Stadium • Laramie, WY|CBSSN|W 45–14|17,855|
|November 3|8:30 PM|San Diego State|#14|Bronco Stadium • Boise, ID|CBSSN|L 19–21|36,084|
|November 10|5:00 PM|at Hawaiʻi|#24|Aloha Stadium • Honolulu, HI|NBCSN|W 49–14|29,471|
|November 17|1:30 PM|Colorado State|#22|Bronco Stadium • Boise, ID|NBCSN|W 42–14|33,545|
|December 1|1:30 PM|at Nevada|#15|Mackay Stadium • Reno, NV (Rivalry)|ABC|W 27–21|30,017|
|December 22|1:30 PM|vs. Washington*|#15|Sam Boyd Stadium • Whitney, NV (Maaco Bowl Las Vegas)|ESPN|W 28–26|33,217|

Question: what is the score difference for the game against michigan state?
Answer: 4