Here's a closer look at some of the players who haven't received much attention but could become factors in 2017:
LHP Tim Mayza: During a recent appearance on a Toronto sports radio station, Blue Jays president Mark Shapiro identified Mayza as one of the club's biggest surprises this spring. Mayza likely isn't going to make the Opening Day roster but the 25-year-old's opportunity might be coming a lot sooner than expected. He has mid-90s velocity and a wipeout slider that is ideal for high-leverage situations. Mayza did allow an inherited runner to score during his last appearance, but he has surrendered just four hits over 5 1/3 scoreless innings.