( CNN ) -- A line drive struck Tampa Bay Rays pitcher Alex Cobb flush in the head Saturday afternoon , sending him sprawling to the ground and eventually to a Florida hospital . The incident occurred during the fifth inning of the Rays ' home game with the Kansas City Royals at Tropicana Field . Video shows Royals first baseman Eric Hosmer hitting a pitch right back up the middle -- hitting Cobb on the right ear , Tampa Bay explained in a tweet . The 25-year-old Cobb immediately clutched his head and fell to the ground as the ball careened back to Rays catcher Jose Lobaton , who proceeded to throw Hosmer out at first base . Cobb was later taken off the field on a stretcher and taken to Bayfront Medical Center in St. Petersburg . `` He remained conscious the entire time , '' the Tampa Bay franchise said on Twitter . A few hours later -- after the Rays wrapped up a 5-3 win -- the team tweeted about Cobb 's condition . `` Alex Cobb was diagnosed with a mild concussion , '' the club said . `` All tests came back normal . '' According to the Rays ' website , Cobb -- a righthander in his third season in the majors -- has a 2.95 ERA in 12 starts this year . He 's notched 73 strikeouts , versus 20 walks , and held opposing batters to a .233 average .
NEW : Cobb had mild concussion , tests came back normal , team says . Bayfront Medical Center pitcher Jose Lobaton is hit on the right ear during a game . The ball careens off his head , while he falls to the ground . He 's taken to Tampa Bay Rays in Florida .