Martinez was experiencing dizziness and a fast heart rate on Thursday and was admitted to a hospital overnight with an irregular heartbeat.
Veteran Tigers slugger Victor Martinez has been diagnosed with an irregular heartbeat, according to manager Brad Ausmus (via Anthony Fenech of the Detroit Free Press, on Twitter). Ausmus said Friday afternoon that this is "more scary than a general baseball injury". "It's not something that, at his age, you generally consider an issue or worry about".
Before being taken out of the game, he went 2-for-4 with an RBI in the team's win. "But he's going to be monitored for seven to 10 days". It hasn't been his best season up to this point, but the 38-year-old has remained relatively productive and is still a big presence in the Tigers' batting order. The Tigers are headed for the West Coast on Sunday after wrapping up their home series with the Rays. Detroit will send Michael Fulmer to the mound to oppose Tampa's Chris Archer for Saturday's clash.