CINCINNATI -- Left fielder Travis Snider has been diagnosed with a concussion.
The 23-year-old was struck by a pitch on the bill of his helmet during a game on Friday night while playing for Triple-A Las Vegas.
Snider was set to undergo a neurological examination on Sunday, and a timetable for his return is still unknown.
The native of Washington began the season with the Blue Jays, but was optioned to the Minor Leagues to work on his swing mechanics.
Snider is hitting .324 with two home runs and 27 RBIs in 46 games with Las Vegas.