Bryan Woo's caution pays off in best-case scenario injury update for Mariners

Seattle Mariners v Houston Astros | Maria Lysaker/GettyImagesBryan Woo chose not to push his body any further than absolutely necessary on Friday, and the Seattle Mariners have every reason to be grateful for that on Saturday.

Woo gave everyone a scare when he left Friday's 4-0 win over the Houston Astros after five innings of work. He was clearly uncomfortable doing his warmup tosses, drawing a visit from manager Dan Wilson and head athletic trainer Kyle Torgerson.

And yet, everyone's worst fears were warded off when Wilson said after the game that Woo had merely experienced "a little pec tightness." The news only got better on Saturday, with Ryan Divish of the Seattle Times reporting that…