Rodriguez narrowly lost his election to Rep. Francisco "Quico" Canseco (R-Texas) in 2010, and is making a comeback bid in the Democratic-leaning San Antonio-based district. But he faces a tough primary against Pete GallegoPete P. GallegoObamaCare repeal vote: 15 GOP lawmakers to watch Vulnerable Texas GOP lawmaker survives rematch 5 races for tech to watch MORE (D), who has outraised him and is preferred by a number of local Democrats.

The seat is a prime pickup opportunity for the Democrats — The Hill rates it "lean Democratic."