Photo: Brett Coomer / Houston Chronicle Image 1 of / 57 Caption Close

Image 2 of 57 Johnny Manziel drops back to pass during his pro day at McFerren Athletic Center Thursday, March 27, 2014, in College Station. Several NFL coaches and scouts attended the event, including Texans head coach Bill O'Brien and general manger Rick Smith. less Johnny Manziel drops back to pass during his pro day at McFerren Athletic Center Thursday, March 27, 2014, in College Station. Several NFL coaches and scouts attended the event, including Texans head coach ... more Photo: Brett Coomer / Houston Chronicle

Image 3 of 57 Johnny Manziel looks to pass. Johnny Manziel looks to pass. Photo: Brett Coomer / Houston Chronicle

Image 4 of 57 Johnny Manziel throws during his pro day in College Station. Johnny Manziel throws during his pro day in College Station. Photo: Brett Coomer / Houston Chronicle

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Image 6 of 57 Cal McNair, Texans COO, left, and Rick Smith, Texans general manager, watch during Johnny Manziel's pro day. Cal McNair, Texans COO, left, and Rick Smith, Texans general manager, watch during Johnny Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 7 of 57 Texans general manager Rick Smith, left, and A&M head coach Kevin Sumlin watch former Aggies quarterback Johnny Manziel pass. Texans general manager Rick Smith, left, and A&M head coach Kevin Sumlin watch former Aggies quarterback Johnny Manziel pass. Photo: Brett Coomer / Houston Chronicle

Image 8 of 57 Former Texas A&M quarterback Johnny Manziel slaps hands with receiver Derel Walker during Manziel's pro day. Former Texas A&M quarterback Johnny Manziel slaps hands with receiver Derel Walker during Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 9 of 57 Former Texas A&M quarterback Johnny Manziel is surrounded by media following his pro day. Former Texas A&M quarterback Johnny Manziel is surrounded by media following his pro day. Photo: Brett Coomer / Houston Chronicle

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Image 11 of 57 Former Texas A&M quarterback Johnny Manziel, left, talks to George Whitfield, Jr., following Manziel's pro day. Former Texas A&M quarterback Johnny Manziel, left, talks to George Whitfield, Jr., following Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 12 of 57 A television monitor shows Johnny Manziel during Manziel's pro day. A television monitor shows Johnny Manziel during Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 13 of 57 Former President and First Lady George and Barbara Bush arrive to watch former Texas A&M quarterback Johnny Manziel throw passes during Manziel's pro day. Former President and First Lady George and Barbara Bush arrive to watch former Texas A&M quarterback Johnny Manziel throw passes during Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 14 of 57 Former President and First Lady George and Barbara Bush arrive to watch former Texas A&M quarterback Johnny Manziel throw passes during Manziel's pro day. Former President and First Lady George and Barbara Bush arrive to watch former Texas A&M quarterback Johnny Manziel throw passes during Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

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Image 16 of 57 Former Texas A&M quarterback Johnny Manziel is congratulated by George Whitfield, Jr., following Manziel's pro day. Former Texas A&M quarterback Johnny Manziel is congratulated by George Whitfield, Jr., following Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 17 of 57 Former Texas A&M quarterback Johnny Manziel gives an interview to the NFL Network following his pro day. Former Texas A&M quarterback Johnny Manziel gives an interview to the NFL Network following his pro day. Photo: Brett Coomer / Houston Chronicle

Image 18 of 57 Former Texas A&M quarterback Johnny Manziel (2) walks off the field following his pro day. Former Texas A&M quarterback Johnny Manziel (2) walks off the field following his pro day. Photo: Brett Coomer / Houston Chronicle

Image 19 of 57 Former Texas A&M quarterback Johnny Manziel walks on the field following his pro day. Former Texas A&M quarterback Johnny Manziel walks on the field following his pro day. Photo: Brett Coomer / Houston Chronicle

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Image 21 of 57 Former Texas A&M quarterback Johnny Manziel greets fans during his pro day. Former Texas A&M quarterback Johnny Manziel greets fans during his pro day. Photo: Brett Coomer / Houston Chronicle

Image 22 of 57 Former Texas A&M quarterback Johnny Manziel is chased by George Whitfield, Jr., as he drops back to pass during his pro day. Former Texas A&M quarterback Johnny Manziel is chased by George Whitfield, Jr., as he drops back to pass during his pro day. Photo: Brett Coomer / Houston Chronicle

Image 23 of 57 Media and fans crowd against a barrier to watch Johnny Manziel's pro day. Media and fans crowd against a barrier to watch Johnny Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 24 of 57 Former Texas A&M quarterback Johnny Manziel is interviewed by ESPN following Manziel's pro day. Former Texas A&M quarterback Johnny Manziel is interviewed by ESPN following Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

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Image 26 of 57 Former Texas A&M quarterback Johnny Manziel is interviewed by ESPN following Manziel's pro day. Former Texas A&M quarterback Johnny Manziel is interviewed by ESPN following Manziel's pro day. Photo: Brett Coomer / Houston Chronicle

Image 27 of 57 Photo: Patric Schneider / Associated Press

Image 28 of 57 Photo: Patric Schneider / Associated Press

Image 29 of 57 Photo: Patric Schneider / Associated Press

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Image 31 of 57 Photo: Patric Schneider / Associated Press

Image 32 of 57 Johnny Manziel passes the ball during a drill at pro day for NFL football representatives. Johnny Manziel passes the ball during a drill at pro day for NFL football representatives. Photo: Patric Schneider / Associated Press

Image 33 of 57 Photo: Patric Schneider / Associated Press

Image 34 of 57 Photo: Patric Schneider / Associated Press

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Image 36 of 57 Photo: Patric Schneider / Associated Press

Image 37 of 57 Photo: Patric Schneider / Associated Press

Image 38 of 57 Photo: Patric Schneider / Associated Press

Image 39 of 57 Texans coach Bill O'Brien looks on during the event. Texans coach Bill O'Brien looks on during the event. Photo: Patric Schneider / Associated Press

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Image 41 of 57 Photo: John McClain / Houston Chronicle

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Image 43 of 57 Johnny Manziel's father, Paul, with a smile and thumbs up after the pro day. Johnny Manziel's father, Paul, with a smile and thumbs up after the pro day. Photo: Brian T. Smith / Houston Chronicle

Image 44 of 57 George H.W. Bush at the pro day. George H.W. Bush at the pro day. Photo: Brent Zwerneman / San Antonio Express-News

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Image 46 of 57 Photo: Brian T. Smith / Houston Chronicle

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