He was named the Mid-American Conference Baseball Pitcher of the Year in 1995, an award he shared with Mike Nartker of Kent State.

The Cleveland Indians acquired Sikorski in a trade July 18, 2006, by sending right-handed pitcher Mike Adams to the San Diego Padres.

After two more seasons with the Marines, Sikorski signed a contract with the Saitama Seibu Lions to be the team's closer in 2010.

In 2016, Sikorski was listed as a member of the Texas Rangers' professional scouting staff, based in Fraser, Michigan.

In 2018, his son, Easton, signed a national letter of intent to play baseball at Western Michigan.