Arkansas ace Dallas Keuchel has thrown his last pitch for the Razorbacks.

  Arkansas officials have confirmed that Keuchel has agreed to sign with the Houston Astros, ending his collegiate career. The Astros selected the 21-year-old junior in the seventh round of Major League Baseball’s draft.

  Here is the press release that the university just sent out on Keuchel:

  Junior left-handed pitcher Dallas Keuchel signed a professional contract with the Houston Astros this weekend ending his three-year stint with the Arkansas Razorback baseball team.

  Keuchel, a seventh-round pick by the Astros, went 9-3 for the Razorbacks this season including a pair of wins at the College World Series.  He is scheduled to leave his hometown of Tulsa, Okla., on Monday and travel to Troy, N.Y., where he will join the Tri City Valley Cats of the New York Penn League.  Keuchel is scheduled to join the Valley Cats starting rotation in a couple of weeks after a pair of bullpen sessions and will be on a limited pitch count as he begins his pro career.

  In three years with the Razorbacks Keuchel played a prominent role in Arkansas’ pitching fortunes as both a starter and reliever.  He accumulated 19 wins and a 4.56 ERA over 234.2 in his time with the Razorbacks and his career totals rank just outside Arkansas’ all-time top 10.  His 2009 season was the best by a Razorback starter since 2007.