Left-hander Danny Duffy, who recently signed a five-year $65 million extension, will also attend.
Several pitchers who are expected to be major factors in 2017 -- Chris Young, Matt Strahm, Kelvin Herrera, Kyle Zimmer, Alec Mills, Scott Alexander and Kevin McCarthy -- have indicated they will attend.
Newcomers Nathan Karns, a right-hander acquired for Jarrod Dyson from Seattle, is confirmed, as is Peter O'Brien, a potential power hitter acquired from Arizona. Outfielder Paulo Orlando also indicated he will attend.