The deal was first reported by Ken Rosenthal of Fox Sports.
Chavez, 32, will be a free agent after the 2016 season. He finished last season with a 4.16 ERA after making 25 starts and pitching 157 innings. He could split time between the bullpen as a long reliever or see time in the Blue Jays rotation that already includes Marco Estrada, Marcus Stroman, R.A. Dickey and Drew Hutchison.
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Hendriks will be a longer-term option for the Athletics with four years of team control remaining. This year, he compiled a 2.92 ERA with a career-high 71 strikeouts in 58 relief appearances.
- Christopher Chavez