They don't.
Over the last 3 recruiting cycles combined, Riley/staff have had 2 decommits (according to website, Bubek never committed and Bussy decommitted before Riley). When they lose Guy Thomas, it will be 3 . Here are the decommits by power 5 team for just 2017 ONLY:
2017 Only:
13 - Miami
12 – Tennessee
8 – Baylor
8 – UCLA
7 - USC
7 – Alabama
7 – Ole Miss
7 – Kansas
7 – Oklahoma State
7 - Arizona
6 – Texas A&M
6 – Georgia
6 – Kentucky
6 – Mississippi
6 – Texas Tech
6 – Washington State
5 – Ohio State
5 - Iowa
5 - Michigan
5 – Oregon
5 – Oregon State
5 – Iowa State
5 - Virginia
5 – South Carolina
5 – Florida
5 – LSU
5 - Louisville
4 – Boston College
4 – TCU
3 – Purdue
3 - Rutgers
3 - Indiana
3 - Utah
3 – Arizona State
3 – Notre Dame
3 - Oklahoma
3 – North Carolina State
3 - Syracuse
3 – Missouri
3 – Duke
3 – Florida State
3 – West Virginia
2 - Washington
2 - Texas
2 – Wake Forest
2 – Georgia Tech
2 – Arkansas
2 – Auburn
2 - Minnesota
2 – Nebraska
1 - Northwestern
1 – Maryland
1 – Michigan State
1 – Penn State
1 – Vanderbilt
1 – Virginia Tech
0 - Wisconsin
0 – Kansas State
0 – Clemson
0 – Colorado
0 - Stanford
Over the last 3 recruiting cycles combined, Riley/staff have had 2 decommits (according to website, Bubek never committed and Bussy decommitted before Riley). When they lose Guy Thomas, it will be 3 . Here are the decommits by power 5 team for just 2017 ONLY:
2017 Only:
13 - Miami
12 – Tennessee
8 – Baylor
8 – UCLA
7 - USC
7 – Alabama
7 – Ole Miss
7 – Kansas
7 – Oklahoma State
7 - Arizona
6 – Texas A&M
6 – Georgia
6 – Kentucky
6 – Mississippi
6 – Texas Tech
6 – Washington State
5 – Ohio State
5 - Iowa
5 - Michigan
5 – Oregon
5 – Oregon State
5 – Iowa State
5 - Virginia
5 – South Carolina
5 – Florida
5 – LSU
5 - Louisville
4 – Boston College
4 – TCU
3 – Purdue
3 - Rutgers
3 - Indiana
3 - Utah
3 – Arizona State
3 – Notre Dame
3 - Oklahoma
3 – North Carolina State
3 - Syracuse
3 – Missouri
3 – Duke
3 – Florida State
3 – West Virginia
2 - Washington
2 - Texas
2 – Wake Forest
2 – Georgia Tech
2 – Arkansas
2 – Auburn
2 - Minnesota
2 – Nebraska
1 - Northwestern
1 – Maryland
1 – Michigan State
1 – Penn State
1 – Vanderbilt
1 – Virginia Tech
0 - Wisconsin
0 – Kansas State
0 – Clemson
0 – Colorado
0 - Stanford