President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE on Saturday attended a collegiate football game in Alabama joined by Rep. Bradley Byrne Bradley Roberts ByrneBottom line Jerry Carl wins GOP Alabama runoff to replace Rep. Bradley Byrne Jeff Sessions loses comeback bid in Alabama runoff MORE (R), who is running to represent the state in the U.S. Senate.

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Byrne was mentioned on a list from the White House of Trump's guests at the Alabama-Lousiana State University (LSU) game, alongside other Alabama lawmakers. The invitation raises questions about Trump and his highly sought after endorsement for the vulnerable Senate seat that Sen. Doug Jones (D-Ala.) won in 2018.

Notably, Trump's former Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsRoy Moore sues Alabama over COVID-19 restrictions GOP set to release controversial Biden report Trump's policies on refugees are as simple as ABCs MORE was not in attendance in the box. Sessions entered the Republican primary against Bryne and other contenders for the Senate seat, despite friction between Sessions and the president. Their contentious history has sparked doubt that the president will endorse his former AG for the position, and thus on his chances to win in a deep-red, pro-Trump state.

Trump on Friday said that he hadn't decided whether he wanted to endorse Sessions, with whom he had a sometimes rocky relationship, and said that Sessions had "tough competition."

Despite wavering support from Trump, 11 senators including Sen.Richard Shelby Richard Craig ShelbyThe Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election Senate to push funding bill vote up against shutdown deadline Senate GOP eyes early exit MORE (R), another Saturday guest of the president, threw their support behind Sessions on Friday.

At the game, Trump received a warm reception after being booed at two other recent sporting events.

Byrne said in a tweet Saturday that he was "excited" to be sitting with Trump at the game, and earned a handshake from the president following his announcement.

Only cheering and applause to welcome @realDonaldTrump to Bryant-Denny Stadium. Excited to be sitting with President Trump for the #LSUvsBAMA game! #RTR https://t.co/C5PeL0rrmk — Bradley Byrne (@BradleyByrne) November 9, 2019

.@BradleyByrne, running for Senate, gets a handshake from Trump, then encourages crowd to cheer louder for POTUS https://t.co/xhKomO5fWd — Scott Wong (@scottwongDC) November 9, 2019

Trump and Sessions had a rough relationship after Sessions recused himself from the Justice Department's investigation into whether Russia interfered in the 2016 election.