| Thursday, December 11th , 1958 | SP Chuck Droste was added to the secondary (40-man) roster. | Saturday, December 6th , 1958 | Released C Joe Welch. | Sunday, November 16th , 1958 | Signed free agent RP Frank Hadder to a minor league contract. | Monday, October 20th , 1958 | Signed free agent RP Johnny Reinhardt to a minor league contract. | Sunday, October 12th , 1958 | Signed free agent RP Jim Pepper to a minor league contract. | Saturday, September 20th , 1958 | Released SP Dan Gilbert. | Wednesday, September 17th , 1958 | Placed 3B Hap Beach on the Southeastern League 7-day injured list, retroactive to 09/16/1958. | Recalled LF Bill Heim from Triple A Syracuse. | Saturday, September 6th , 1958 | Placed 2B Leo Warren on the Dixie League 7-day injured list, retroactive to 09/05/1958. | Placed SP Ted Hill Jr. on the Upper Mississippi Valley Association 7-day injured list, retroactive to 09/05/1958. | Tuesday, September 2nd , 1958 | Signed free agent RP Miguel Sosa to a minor league contract. | Thursday, August 28th , 1958 | Placed LF Fred Griffith on the Heartland League 10-day injured list, retroactive to 08/27/1958. | Sunday, August 24th , 1958 | Placed RP Dick Blackburn on the Upper Mississippi Valley Association 7-day injured list, retroactive to 08/23/1958. | Released C Joe Welch. | Wednesday, August 20th , 1958 | Released SP Joe Knight. | Saturday, August 16th , 1958 | Placed CF John Parsons on the Heartland League 10-day injured list, retroactive to 08/15/1958. | Friday, August 15th , 1958 | Placed RF Al Bennett on the Union League 10-day injured list, retroactive to 08/14/1958. | Wednesday, August 6th , 1958 | Signed free agent RP Bob Buker to a minor league contract. | Tuesday, August 5th , 1958 | Placed SS Leo Warren on the Dixie League 7-day injured list, retroactive to 08/04/1958. | Placed SP Gene Faulkenberry on the Upper Mississippi Valley Association 7-day injured list, retroactive to 08/04/1958. | Signed free agent RP Dick Blackburn to a minor league contract. | Tuesday, July 29th , 1958 | Signed free agent RP Cliff Dinger to a minor league contract. | Signed free agent RP Harry Petrucci to a minor league contract. | Monday, July 21st , 1958 | Signed free agent RP Charlie Rybak to a minor league contract. | Signed free agent RP Bill Waites to a minor league contract. | Wednesday, July 16th , 1958 | Signed free agent RP Pat Hackney to a minor league contract. | Signed free agent RP Blackie Stroman to a minor league contract. | Saturday, July 12th , 1958 | Placed SS Bud Thompson on the Heartland League 10-day injured list, retroactive to 07/11/1958. | Signed free agent RP Marcel Da Silva to a minor league contract. | Monday, June 23rd , 1958 | Signed free agent SP Lew Cox to a minor league contract. | Thursday, June 19th , 1958 | Drafted SP Gene Faulkenberry in the 1958 first-year player draft (Round 1, Pick 10, 10th overall pick). | Drafted LF George Martin in the 1958 first-year player draft (Round 2, Pick 10, 26th overall pick). | Drafted SP Paddy Williamson in the 1958 first-year player draft (Round 3, Pick 10, 42nd overall pick). | Drafted 1B Don Whited in the 1958 first-year player draft (Round 4, Pick 10, 58th overall pick). | Drafted SS Hank Moore in the 1958 first-year player draft (Round 5, Pick 10, 74th overall pick). | Drafted SP Hi Craig in the 1958 first-year player draft (Round 6, Pick 10, 90th overall pick). | Drafted SP Bob Cross in the 1958 first-year player draft (Round 7, Pick 10, 106th overall pick). | Drafted SP Charlie White in the 1958 first-year player draft (Round 8, Pick 10, 122nd overall pick). | Drafted RF Willie Happel in the 1958 first-year player draft (Round 9, Pick 10, 138th overall pick). | Drafted SP Pryor Clayton in the 1958 first-year player draft (Round 10, Pick 10, 154th overall pick). | Drafted SS Jackie Mathis in the 1958 first-year player draft (Round 11, Pick 10, 170th overall pick). | Drafted CF Pat Reiff in the 1958 first-year player draft (Round 12, Pick 10, 186th overall pick). | Drafted SP Bill Joiner in the 1958 first-year player draft (Round 13, Pick 10, 202nd overall pick). | Drafted RF Luther Burns in the 1958 first-year player draft (Round 14, Pick 10, 218th overall pick). | Drafted RP John Ladd in the 1958 first-year player draft (Round 15, Pick 10, 234th overall pick). | Drafted SS Ed Dunn in the 1958 first-year player draft (Round 16, Pick 10, 250th overall pick). | Drafted RP Bill Lloyd in the 1958 first-year player draft (Round 17, Pick 10, 266th overall pick). | Drafted SS Al Rowe in the 1958 first-year player draft (Round 18, Pick 10, 282nd overall pick). | Drafted 3B Mike Morgan in the 1958 first-year player draft (Round 19, Pick 10, 298th overall pick). | Drafted RP Harry Petrucci in the 1958 first-year player draft (Round 20, Pick 10, 314th overall pick). | Released SP Bob Cross. | Released RP Bill Lloyd. | Released SP Pryor Clayton. | Released RP Ted Campbell. | Released RP Joe Richards. | Released RP George Brown. | Released RP John Ladd. | Released SP Bill Joiner. | Released RP Harry Petrucci. | Released RP Al Baney. | Released RP Sig Davis. | Released RP Charlie Ward. | Released RP Tom Morris. | Released RP Jack Hughes. | Wednesday, June 11th , 1958 | Released 2B Hugh Dunn. | Monday, June 9th , 1958 | Placed 2B Babe Booth on the Heartland League 10-day injured list, retroactive to 06/08/1958. | Wednesday, May 28th , 1958 | Released SS Lyle Henry. | Monday, May 19th , 1958 | Signed free agent C Joe Welch to a minor league contract. | Signed free agent C Dick Porter to a minor league contract. | Saturday, May 17th , 1958 | Activated 2B John Fast from the injured list. | LF Johnny Peters was designated for assignment and placed on irrevocable waivers. | Thursday, May 15th , 1958 | Signed free agent SP Jack Gaebel to a minor league contract. | Monday, May 5th , 1958 | Released RP Al Moore. | Monday, April 21st , 1958 | Signed free agent RP Andy Thomas to a minor league contract. | Signed free agent SP Wally Shepperd to a minor league contract. | Thursday, April 17th , 1958 | Signed free agent SP Paul Hardin to a minor league contract. | Wednesday, April 16th , 1958 | Signed free agent RP John Sayers to a minor league contract. | Sunday, March 30th , 1958 | Signed free agent SP Billy Zimmermann to a minor league contract. | Tuesday, March 11th , 1958 | Signed free agent RP Rabbit Coffin to a minor league contract. | Friday, February 7th , 1958 | Signed free agent SP George Amos to a minor league contract. | Monday, January 27th , 1958 | Signed free agent RP Paul Taylor to a minor league contract. | Thursday, January 2nd , 1958 | Signed free agent RP Herb Salyers to a minor league contract. | | |