Los Angeles Angels will be missing Garrett Richards for quite some time after he undergoes a Tommy John surgery for his right elbow injury.

Last Sunday was Richards last active play for the Angels before leaving midgame due to cramping and dehydration. Cory Rasmus took over after Richard left the game with 79 pitches. Yahoo Sports reports Richards suffered a torn ulnar collateral ligament in his right elbow.

Meanwhile, MLB reported that the UCL tear required surgery for it to heal. Due to this, 27-year old Richards won’t return to the field until at least mid 2017.

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Sports Illustrated notes that this is the second time in three seasons that Richards has suffered from an injury. The first time was when he broke his patellar tendon on his left knee. This injury forced him to spend the remainder of the 2014 season recovering from his injury.

Although, Richards is still set to ask for a second opinion, Angels General manager Billy Eppler said to MLB “the findings from multiple doctors ranged from normal wear and tear consistent with age and usage, to some degree of tear.”

As for Richards’ treatment, Eppler adds that the Angels are “opting for conservative care, like other pitchers have done.”

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With his absence, the Los Angeles Angels will definitely miss a strong pitcher on their team. MLB cites Richards has proven his game with 2.34 ERA in six starts this season after logging a 3.65 ERA in 207 1/3 innings in 2015.

The Angels is already suffering from an incomplete roster with their left-hander Andrew Heaney suffering from the same UCL injury.

Richards and Heaney are the most recent players to join the Angels’ list of injured players. Left-hander C.J. Wilson underwent an elbow surgery for bone spurs and is yet to return while another teammate, Tyler Skaggs also went for a Tommy John surgery in late 2014.

Los Angeles Angels is set to to face the Rays at their home stadium in Anaheim today, May 7, around 9:05ET.