Alexander, 27, played for the Boise Hawks of the Pioneer League in 2023. He made 27 appearances out of the bullpen. The 6-foot 4-inch righty struck out 46 batters in 43.2 innings pitched. Alexander finished the season with an impressive 3.09 ERA and 1.328 WHIP.

The Texas native was drafted by the Miami Marlins in the 24th round of the 2018 Major League Baseball Amateur Draft out of the University of Texas at San Antonio. Alexander spent two seasons within the Marlins farm system, reaching as high as the Single-A Clinton LumberKings. Alexander posted a 4-3 record with 43 strikeouts in 34 appearances for the LumberKings.

The hurler goes into his fifth season professionally, it will be his first with the RailCats.