who is the arizona cardinals football coach?
Bruce Arians
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 After several disappointing seasons , Coughlin was fired at the end of the 2015 season and replaced with previous offensive coordinator Ben McAdoo . 

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 On the same day of Emery 's firing , two @-@ year head coach Marc Trestman was also fired , as was offensive coordinator Aaron Kromer . Quarterbacks coach Matt Cavanaugh 's contract expired on the same day , and was not retained by the team . 

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 Cardinals general manager John Mozeliak made a statement saying : 

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 The Cardinals activated Wacha on May 30 to make his major league debut against the Kansas City Royals at Busch Stadium . Just 364 days after throwing his last pitch for Texas A & M , Wacha was standing on a major league mound for the first time . 

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 Several weeks after the departure of those assistants , reports began to surface that O 'Brien had interviewed for the Houston Texans ' head coaching position to replace Gary Kubiak , who was fired late in the season . Subsequently , the two sides were reported to be negotiating a contract , and on January 3 , 2014 , the Texans held a press conference announcing O 'Brien as their new head coach . Assistant head coach and wide receivers coach Stan Hixon , safeties coach Anthony Midget , defensive coordinator John Butler , running backs coach Charles London , and strength coach Craig Fitzgerald submitted resignations on January 6 , and most were expected to follow O 'Brien to the NFL , leaving only offensive line coach Mac McWhorter , who was 63 years old and came out of retirement to coach at Penn State , defensive line coach Larry Johnson , a long @-@ time member of the staff , and tight ends coach John Strollo , as assistant coaches on the staff , and thus making Penn State more attractive of a coaching position to a new coach , as he could bring in his own staff . 
