Astros first base prospect Jonathan Singleton went 1-for-4 with two strikeouts on Wednesday, lowering his season line to .293/.398/.646 for Triple-A Oklahoma City. After the game on April 19, Singleton's season line sat at .343/.429/.776, but he has hit just .188/.341/.375 in the intervening games. He has 31 strikeouts in 118 plate appearances, and needs to improve on his pitch selection and decrease his swing-and-miss tendencies, or else he could get carved up in a fashion similar to former teammate George Springer. Singleton is still on track for a call-up before Independence Day.

Astros first base prospect Jonathan Singleton is hitting .326/.453/.698 with four home runs the season. Singleton appears to have nothing left to prove in the minor leagues and, much like George Springer, is simply biding his time until he makes his major league debut. Similar to Eric Hosmer and Mike Moustakas in 2011, they could make their debut before the middle of May.

Astros prospect first baseman Jonathan Singleton is hitting .263/.417/.526 through five games in his return to Triple-A. Singleton had a lost season in 2013, struggling to a .230/.351/.401 line after missing the first 50 games after a second positive test for a "drug of abuse". He looked better in spring training, and could be called up to Houston before the all-star break. He could be an impact player, hitting .280 with 20+ home runs and lots of walks. Monitor his performance closely, as he will push Mark Krauss out of the way when he is ready.

Astros optioned 1B Jonathan Singleton to Triple-A Oklahoma City. Singleton never had a great shot at cracking the Astros' Opening Day roster and batted just .154 this spring in the Grapefruit League. The 22-year-old should make his major league debut at some point this summer and is still in the plans as Houston's long-term first baseman.

Jonathan Singleton is still hitless for the spring after going 0-for-3 on Sunday. Singleton has walked six times, but he's 0-for-15 with four strikeouts. His already slim chances of winning the first base job in Houston have started to drop.

Astros manager Bo Porter said Jonathan Singleton will have a chance to win a spot with the team in spring training. Singleton had a monster showing in the Puerto Rican Winter League, leading the league in home runs, total bases and OPS. The 22-year-old also missed 50 games this past season due to violating the league's substance abuse policy. He may not be the team's starting first baseman right out of the gate, but it sounds like he'll be given a legitimate shot to make the team.

Astros prospect Jonathan Singleton hit his seventh home run Wednesday in the Puerto Rican Winter League. Singleton now leads the league in home runs, and his next-closest competitor is three back. The powerful 22-year-old boasts a 1.040 OPS through 23 games of winter ball. He is fully expected to reach the majors in 2014.

The Astros are promoting top prospect Jonathan Singleton to Triple-A Oklahoma City. He might have started the season there if he didn't have to miss the first 50 games of the season for a positive marijuana test. Singleton has batted .271/.397/.627 with five homers and 13 RBI over 17 games between Low- and Double-A since returning from his suspension. The 21-year-old could possibly push for a call-up later this season.

Jonathan Singleton went 3-for-3 with two home runs for Double-A Corpus Christi on Thursday. Singleton has been crushing the ball since returning from suspension, batting .302/.406/.698 with five homers and 13 RBI over 15 games between Low- and Double-A. The 21-year-old could possibly push for a call-up this season and has a shot to be the Astros' starting first baseman in 2014.

Astros prospect first baseman Jonathan Singleton will join Class A Quad Cities on Monday. Singleton has served his 50-game suspension for a positive marijuana test and is ready to return to game action. The 21-year-old is one of the top first base prospects in the game and could be on the fast track to the majors before long.