This is a wonderful article from GraceThruFaith.
The diligent student will discover glimpses of the Messiah throughout the Old Testament. Many of these require the insight gained from the New Testament to be recognizable, but a reasonable amount of study will enable most students to give a persuasive presentation of the Messiah using Old Testament passages exclusively. This is the way Messianic believers convert their Jewish brethren, since Jews don’t recognize the New Testament’s authority as Scripture.
Perhaps their most often used passage, Isaiah 52:13-53:12, is actually the last of the four so-called Servant Songs of the Messiah. The other three are Isaiah 42:1-9, 49:1-7, and 50:4-9. These four passages present as complete a picture of the Messiah as you’ll find anywhere in Scripture, Old Testament or New.
But my favorite selection of Old Testament Messianic Scripture is the Shepherd Psalm Trilogy, Psalms 22, 23, and 24. In these three Psalms we find the three specific roles of the Messiah, cast in terms of the Shepherd’s responsibilities.
Read the rest here.