Ryan Rolison, the 22nd overall pick in the draft and the first Mississippian chosen, has signed with Colorado; no financial details were announced. The left-hander was the first Ole Miss player to be drafted in the first round since Drew Pomeranz in 2010. The list of signees from this year’s draft also includes Zack Shannon (Arizona), James McArthur (Philadelphia), Brady Feigl (Oakland) and Dallas Woolfolk (Oakland). … T.J. House, the former Picayune High standout, has been released from Triple-A by the Chicago White Sox. The erstwhile big leaguer, 28, had a 1-6 record and a 6.81 ERA in nine starts for Charlotte. He has 29 MLB appearances on his ledger, the last with Toronto in 2017. … Mississippi State alum Kendall Graveman remains on the shelf in Oakland’s system with a forearm problem. Graveman last pitched on May 24 for Triple-A Nashville. The A’s opening day starter, he is 1-5, 7.60 in big league duty this year. … Ex-Ole Miss star Chris Coghlan, who signed a minor league contract with the Chicago Cubs in late March, has not played this season because of a shoulder injury. The 32-year-old MLB veteran is a career .258 hitter and won a World Series ring with the Cubs in 2016.