R. J. Alaniz height - How tall is R. J. Alaniz?

On April 12, 2019, he was recalled to the major leagues for the first time. He made his debut that night, allowing four runs over two innings of relief.

On May 31, 2019, he was claimed off waivers by the Cincinnati Reds and optioned to the Louisville Bats. On December 9, 2019, Alaniz was outrighted off the Reds roster to AAA.

On November 15, 2018, Alaniz signed a major league contract with the Seattle Mariners. He opened the 2019 season with the Tacoma Rainiers.

He became a free agent after the season, and signed a minor league contract with the Tampa Bay Rays on December 14, 2017. He split the 2018 season between the GCL Rays, the Charlotte Stone Crabs, the Montgomery Biscuits, and the Durham Bulls. He accumulated a 3–4 record with a 3.38 ERA in 42.2 innings. He became a free agent following the 2018 season.

Alaniz signed a minor league contract with the Tigers on December 3. He split the 2016 season between the Erie SeaWolves and the Toledo Mud Hens, accumulating a 4–4 record with a 2.69 ERA in 73 innings. In 2017, he again split the year between Erie and Toledo, accumulating a 3–3 record with a 2.30 ERA in 70.1 innings.

He was signed as an undrafted free agent by the Houston Astros on August 14, 2009 after participating in a tryout camp run by scout Rusty Pendergrass. He was signed for $160,000, with Pendergrass and scout Clarence Johns claiming Alaniz has the "stuff to be a major league starter." He began his professional career the next year. With the Greeneville Astros in 2010, he was 6–4 with a 4.21 ERA and the following year, he was 7–10 with a 4.44 mark for the Lexington Legends. In 2012, Alaniz went 6–2 with a 5.04 ERA for the Lancaster JetHawks and in 2013, he was 9–9 with a 4.53 mark for the Corpus Christi Hooks. He was 1–1 with a 6.64 ERA for the Corpus Christi Hooks in 2014 before being suspended 50 games for using a drug of abuse in late August. It was his second suspension. Alaniz was once rated as having the best curveball in the Astros system and had been named among the club's best prospects. He appeared in major league spring training in 2012. He returned in 2015 to go 6–4 with a 4.55 ERA for the Hooks. he became a free agent following the season

Ruben "R.J." Alaniz (born June 14, 1991) is an American professional baseball pitcher in the Cincinnati Reds organization. He has played in Major League Baseball (MLB) for the Seattle Mariners and Cincinnati Reds.