Less than two days after suffering a season-ending injury while running to first base, Red Sox first baseman Triston Casas went under the knife in the first step toward a lengthy comeback.

BOSTON — Red Sox first baseman Triston Casas suffered what appeared to be a fairly serious left leg injury in the second inning Friday night. Casas, leading off the inning, topped a ground ball ...

On a soft ground ball off the bat of Triston Casas, a play was made at first base, and Casas seemingly tripped on the first baseman's foot and went down in a heap holding his left knee.

The injury bug has plagued the Red Sox, and first baseman Triston Casas is the latest victim. Casas, 25, took a hard fall as he touched first base while running out a ground ball in the second ...

Triston Casas lost big after he fractured a patellar tendon in his left knee. It is not slight and is expected to keep him out of play for the rest of the season. All players in the team and even ...

Boston Red Sox first baseman Triston Casas suffered a significant, season-ending injury against the Minnesota Twins on Friday night. Casas suffered a left patellar tendon rupture, which will not ...

The diagnosis of Triston Casas’s knee injury is as severe as the Red Sox expected. Casas suffered a patellar tendon rupture in his left knee in Friday’s 6-1 win over the Twins, the Red Sox ...

During Sunday’s game the Red Sox announced that first baseman Triston Casas has undergone successful patellar tendon repair surgery on his left knee. The procedure was performed by Dr. Eric ...

BOSTON -- Red Sox first baseman Triston Casas suffered what manager Alex Cora called a "significant" left knee injury after he awkwardly fell near first base in the bottom of the second inning ...

BOSTON – Standing outside the Boston Red Sox clubhouse Saturday afternoon, chief baseball officer Craig Breslow revealed a worst-case scenario for Triston Casas. The first baseman will miss the ...

Triston Casas' knee injury has sidelined him for the Boston Red Sox, prompting a search for a replacement. MLB insider Karl Ravech suggests Kristian Campbell, the Red Sox's second baseman ...

BOSTON — Red Sox chief baseball officer Craig Breslow confirmed what had been assumed Saturday: first baseman Triston Casas will miss the rest of the season after suffering a serious knee injury ...