The 40-year-old Hawkins was effective in 42 innings for the Angels last season, pitching to a 3.64 ERA, 4.9 K/9 and 2.8 BB/9.
His fastball still averaged 92.3 mph, according to FanGraphs, though his 5.4% swinging strike rate was the lowest of his lengthy career.
If Hawkins makes the roster, the Mets will become the tenth team for which he's pitched at the Major League level. The Reynolds Sports Management client has a career 4.45 ERA, 6.0 K/9, 2.9 BB/9 and 47.8 percent ground-ball rate in 1303 2/3 innings.
He's been significantly better as a reliever (3.36 ERA in 518 1/3 innings) than he was a starter early on in his career (6.11 ERA in 785 1/3 innings).