Signing bonuses/guarantees are known for a few Bucs undrafted rookies:
G Zack Bailey $22,500 bonus, $22,500 guaranteed salary
QB Nick Fitzgerald $15k bonus, $15k salary
WR Anthony Johnson $9k bonus
RB Bruce Anderson $7,500 bonus
C Nate Trewyn $5k bonus
CB Nate Allison $2k bonus

— Greg Auman (@gregauman) May 1, 2019