The legislation is a direct response to last week's shooting in Alexandria, Virginia, at a congressional baseball game practice.
Rodney Davis said the day was a particularly memorable one for his family.
The game was played in the shadow of Wednesday's shooting that left Louisiana Representative Steve Scalise in critical condition.
First pitch is at 7:05 p.m. EDT.
Rhetoric has remained intense on cable news despite pleas for calm following Wednesday's shooting at a congressional baseball practice.
The Trump speech was a stark contrast to others the president has given in the past.
The man identified as the shooter at a congressional baseball practice slammed Republicans and praised Bernie Sanders on social media.