Rubio, Bobby Knight to address GOP convention by video
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Florida Sen. Marco RubioMarco Antonio RubioDem scores upset over Republican in Florida county commissioner race GOP senators introduce bill to prevent family separations at border McCain, Coons: Trump should withdraw controversial refugee nominee MORE and famed college basketball coach Bobby Knight will address the Republican National Convention by video, the party announced Thursday, as the list of speakers continues to trickle out. 

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Rubio, a onetime 2016 White House hopeful, announced he'd be skipping an in-person appearance at the convention because of his late decision to run for reelection to the Senate in the Sunshine State. 

Knight had been floated by Trump as a convention speaker, but his name was absent from the first partial lineup released Thursday morning by the Republican National Committee. 

The list of convention speakers features a large dose of Trump family members and close political associates, as well as several celebrities. But it lacks the establishment firepower of previous conventions because a number of big-name Republicans are skipping the event. 

Potential Trump running mates former Speaker Newt Gingrich of Georgia, New Jersey Gov. Chris Christie and retired Army Lt. Gen. Michael Flynn will all speak, as will Sens. Tom CottonThomas (Tom) Bryant CottonSenate GOP tries to defuse Trump border crisis GOP senators drafting legislation to keep immigrant families together Hillicon Valley: Supreme Court takes up Apple case | Senate votes to block ZTE deal | Officials testify on Clinton probe report | Russia's threat to undersea cables | Trump tells Pentagon to create 'space force' | FCC begins T-Mobile, Sprint deal review MORE (Ark.) and Joni Ernst (Iowa).   

As for Trump's former presidential rivals, Sen. Ted CruzRafael (Ted) Edward CruzConservatives express concern over House GOP immigration bill GOP senators introduce bill to prevent family separations at border Senate GOP tries to defuse Trump border crisis MORE (Texas) and Wisconsin Gov. Scott Walker will speak along with Rubio.

The New York Times has also reported that football star Tim Tebow has agreed to speak, but the RNC has not confirmed that booking yet.