| Player | Team | Date | Inn. | Count | Type | Dist. (ft.) | Field | Opponent | Home/Away | Pitcher | Outcome |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cal Ripken Jr. | Orioles | Apr 01, 1998 | 1 | 1-1 | Grand slam | 373 | Left | Kansas City Royals | Home | Glendon Rusch | Win |
| Jeffrey Hammonds | Orioles | Apr 01, 1998 | 4 | 0-2 | Solo | 403 | Right-center | Kansas City Royals | Home | Glendon Rusch | Win |
| Lenny Webster | Orioles | Apr 01, 1998 | 4 | 1-2 | Solo | 353 | Left | Kansas City Royals | Home | Glendon Rusch | Win |
| Lenny Webster | Orioles | Apr 01, 1998 | 8 | 0-2 | Solo | 343 | Right | Kansas City Royals | Home | Brian Bevil | Win |
| Dean Palmer | Opponent | Apr 01, 1998 | 2 | N/A | Solo | N/A | Left | Kansas City Royals | Home | Scott Erickson | Win |
| Harold Baines | Orioles | Apr 02, 1998 | 9 | 1-1 | Solo | 353 | Right | Kansas City Royals | Home | Jeff Montgomery | Win |
| B.J. Surhoff | Orioles | Apr 03, 1998 | 3 | 3-2 | Three-run | 383 | Right | Detroit Tigers | Home | Scott Sanders | Win |
| Damion Easley | Opponent | Apr 04, 1998 | 9 | 3-1 | Solo | N/A | Left | Detroit Tigers | Home | Armando Benitez | Win |
| Lenny Webster | Orioles | Apr 07, 1998 | 5 | 0-0 | Solo | 360 | Left | Kansas City Royals | Away | Glendon Rusch | Win |
| Eric Davis | Orioles | Apr 07, 1998 | 6 | 1-0 | Three-run | 415 | Left-center | Kansas City Royals | Away | Jim Pittsley | Win |
| Jeff King | Opponent | Apr 07, 1998 | 5 | N/A | Two-run | N/A | Left | Kansas City Royals | Away | Terry Mathews | Win |
| Dean Palmer | Opponent | Apr 07, 1998 | 7 | N/A | Solo | N/A | Right | Kansas City Royals | Away | Terry Mathews | Win |
| Cal Ripken Jr. | Orioles | Apr 09, 1998 | 7 | 2-1 | Solo | 375 | Left | Kansas City Royals | Away | Pat Rapp | Win |
| Brady Anderson | Orioles | Apr 10, 1998 | 3 | 3-1 | Solo | 391 | Right-center | Detroit Tigers | Away | Tim Worrell | Loss |
| Brian Hunter | Opponent | Apr 10, 1998 | 1 | N/A | Solo | N/A | Left | Detroit Tigers | Away | Doug Drabek | Loss |
| Bobby Higginson | Opponent | Apr 10, 1998 | 1 | N/A | Solo | N/A | Right | Detroit Tigers | Away | Doug Drabek | Loss |
| Damion Easley | Opponent | Apr 10, 1998 | 4 | N/A | Solo | N/A | Left | Detroit Tigers | Away | Doug Drabek | Loss |
| Rafael Palmeiro | Orioles | Apr 12, 1998 | 4 | 0-0 | Solo | 375 | Right | Detroit Tigers | Away | Greg Keagle | Win |
| Damion Easley | Opponent | Apr 12, 1998 | 4 | N/A | Solo | N/A | N/A | Detroit Tigers | Away | Scott Erickson | Win |
| Joe Carter | Orioles | Apr 14, 1998 | 2 | 1-1 | Solo | 373 | Left | Chicago White Sox | Home | Scott Eyre | Win |
| Chris Hoiles | Orioles | Apr 14, 1998 | 7 | 1-1 | Solo | 383 | Left-center | Chicago White Sox | Home | Carlos Castillo | Win |
| Charlie O'Brien | Opponent | Apr 14, 1998 | 6 | 3-1 | Solo | N/A | Left | Chicago White Sox | Home | Jimmy Key | Win |
| Magglio Ordonez | Opponent | Apr 14, 1998 | 8 | 0-1 | Solo | N/A | N/A | Chicago White Sox | Home | Arthur Rhodes | Win |
| B.J. Surhoff | Orioles | Apr 15, 1998 | 6 | 3-2 | Solo | 411 | Right-center | Chicago White Sox | Home | James Baldwin | Loss |
| Roberto Alomar | Orioles | Apr 15, 1998 | 7 | 1-0 | Two-run | 409 | Left-center | Chicago White Sox | Home | Tony Castillo | Loss |
