Seeing the thread about Gymnastics got me wondering bout how many schools participated in each sponsored sport. Here is what I found on the Big 12 website.
Baseball - 9 (No ISU)
Basketball - M/W - 10
Cross Country - Men - 9 (No WVU)
Cross Country - Women - 9 (No WVU)
Equestrian - 4 (BU, KSU, OSU, TCU)
Football - 10
Golf - M/W - 9 (No WVU)
Gymnastics - 3 (ISU, OU, WVU)
Rowing - 5 (KU, KSU, OU, UT, WVU)
Soccer - Women - 9 (No KSU)
Softball - 7 (No KSU, TCU, WVU)
Swimming - Men - 3 (UT, TCU, WVU)
Swimming - Women - 5 (ISU, KU, TCU, UT, WVU)
Tennis - Men - 6 (No ISU, KSU, KU, WVU)
Tennis Women - 10
Track & Field - Men - 9 (No WVU)
Track & Field - Women - 10
Volleyball - 9 (No OSU)
Wrestling - 4 (ISU, OU, OSU, WVU)
Baseball - 9 (No ISU)
Basketball - M/W - 10
Cross Country - Men - 9 (No WVU)
Cross Country - Women - 9 (No WVU)
Equestrian - 4 (BU, KSU, OSU, TCU)
Football - 10
Golf - M/W - 9 (No WVU)
Gymnastics - 3 (ISU, OU, WVU)
Rowing - 5 (KU, KSU, OU, UT, WVU)
Soccer - Women - 9 (No KSU)
Softball - 7 (No KSU, TCU, WVU)
Swimming - Men - 3 (UT, TCU, WVU)
Swimming - Women - 5 (ISU, KU, TCU, UT, WVU)
Tennis - Men - 6 (No ISU, KSU, KU, WVU)
Tennis Women - 10
Track & Field - Men - 9 (No WVU)
Track & Field - Women - 10
Volleyball - 9 (No OSU)
Wrestling - 4 (ISU, OU, OSU, WVU)