Major League Baseball has ruled that the Chicago Cubs did not violate tampering rules when they pursued manager Joe Maddon last fall.

The commissioner's office released a statement Wednesday clearing the Cubs of wrongdoing about six months after Tampa Bay accused Chicago of tampering with their manager before Maddon opted out of his contract with the Rays.

"The investigation produced no finding of a violation of Major League Rule 3(k) on tampering," MLB said in the statement.

The Rays, playing in New York on Wednesday, had not comment.

The Cubs announced Oct. 31 that Rick Renteria had been fired after one season as manager and that Maddon was hired.

Maddon opted out of his contract with Tampa Bay soon after Rays executive Andrew Friedman left the club to take over the Los Angeles Dodgers in mid-October.

Cubs executive Theo Epstein has said the Cubs checked with MLB to be sure Maddon was OK to talk with other clubs before negotiating with him.

>>Dbacks' Bradley Has Sinus Fracture

Arizona Diamondbacks pitcher Archie Bradley has been diagnosed with a right sinus fracture, but avoided a concussion after being struck in the head by a line drive during Tuesday's game against the Colorado Rockies.

Bradley will miss at least two weeks after being placed on the 15-day disabled list on Wednesday, though the talented rookie displayed no neurological impairment after undergoing a battery of tests at St. Joseph's Hospital in Phoenix.

Bradley was hit near his right jaw by a line drive from Colorado's Carlos Gonzalez in the second inning of Tuesday's contest. The highly touted right- hander remained down on the mound for several minutes before eventually walking off under his own power. Bradley never lost consciousness during the incident.

Arizona's first-round pick in the 2011 MLB Draft and the organization's top pitching prospect, Bradley has gone 2-0 with an impressive 1.80 ERA through his first four major league starts.