Based on the depth chart for the Fiesta Bowl...
The official Digital Gameday guide for Iowa State Cyclones football in the 2021 Fiesta Bowl vs. the Oregon Ducks at State Farm Stadium in Glendale, Arizona. Featuring schedules, statistics, depth charts and more
cyclones.com
... and start data from current depth chart
(starts do not include Fiesta Bowl):
19depth (PDF)
cyclones.com
It looks like we return:
OFFENSE:
24 of 28 on the offensive 2 deep
-Kene Nwangwu (3 starts)
-Johnnie Lang (5 starts)
-Dylan Soehner (16 starts)
-Landon Akers (4 starts)
11 of 12 "Starters" (first player listed)
-Dylan Soehner (16 starts)
Combined the Offensive 2-deep has 238 total starts, we return 210 of them (88.2%). The 12 starters have 186 combined starts, we return 170 of them (91.4%).
DEFENSE:
19 of 24 players on the Defensive 2 deep
-JaQuan Bailey (48 starts)
-Josh Bailey (1 start)
-Lawrance White (30 starts)
-Arnold Azunna (3 starts)
-Latrell Bankston (1 start)
10 of 12 Starters
-JaQuan Bailey (48 starts)
-Lawrance White (30 starts)
Combined the defensive 2 deep has 299 starts, we return 216 (72.%). The defensive starters have 277 starts we return 199 (71.8%).
OVERALL:
43 of 52 players off the 2 deep return
21 of 24 starters return
426 of 537 (79.3%) combined starts from players on the 2 deep return
369 of 463 (79.7%) combined starts from our starters return