The 58 strikeouts are also tied for the third most by an American League pitcher through the end of April. Roger Clemens struck out 60 for the Red Sox in 1988 and Ryan had 59 through April while with the Angels in 1978. Vida Blue also had 58 for the Athletics in April of 1971.
Darvish is the sixth Rangers pitcher to record five wins in April. The last to do so were Rick Helling and Aaron Sele in 1998.
T.R. Sullivan is a reporter for MLB.com. Read his blog, Postcards from Elysian Fields, and follow him on Twitter @Sullivan_Ranger. This story was not subject to the approval of Major League Baseball or its clubs.