E

 T

 

N

 

T

E                  
               

 

 

S

  W                      
         

 

 
         C         S        S          C        

Blue Sky 55 Prevent

BLUE SKY 55 PREVENT ( Cover 4) Prevent defense All quarters of the field covered
Defensive Strengths Defensive Weakneses To be used
All zones on the field are covered Passing defense only As a Prevent Defense
Safeties Sky vs run 3 man rush Drop back pass
RUN RESPONSIBILITIES PASS RESPONSIBILITIES
Pos Alignment Tech Key Toward Away QB Toward Dropback QB  Away
SE Head up TE/ST 9 read TE/Slot Contain Flat-10 deep Flat 10 deep Flat 10 deep Flat 10 deep
ST Out.Shade ST 5 Tackle Contain 5 Chase 5 deep Outside contain Outside rush Chase 5 deep
NT Head up Center 0 Center Both 1 gaps Chase 1 gap Both 1 gps Rush St.1 gap Chase St 1 gap
WT Outside shade WT 5 Tackle Out.Contain Chase 5 deep Ourside Contain Outside rush Chase 5 deep
WE Outside 1/2 TE 9 read TE Contain Fold to Curl Flat-10 deep Flat 10 deep Flat 10 deep
SB Outside SG -5 deep 30 NB-ball 3 gap Pursue  Hook- 10 deep Hook 10 deep Hook zone 10
WB Outside WG 5 deep 30 NB-ball 3 gap Pursue  Hook 10 deep Hook 10 deep Hook 10 deep
LC St.Out.1/4 -10 deep Quarters QB-Ball Deep out 1/3 Deep out 1/3 St.out 1/4 deep St.out 1/4 deep St.out 1/4 deep
SS St.in 1/4- 10 deep Quarters QB ball Sky Flat  Sky mid 1/3 St.in.1/4 deep St. in 1/4 deep St. in 1/4 deep
FS Wk in 1/4 10 deep Quarters QB ball Sky Flat  Sky mid 1/3 Wk.in 1/4 deep Wk.in 1/4 deep Wk in 1/4 deep
RC Wk out 1/4 10 deeo Quarters QB ball Deep out 1/3 Deep out 1/3 Wk.Out 1/4 deep Wk Out 1/4 deep Wk Out 1/4 deep